Compounds

Topic Page

Questions

• Why compounds of transition metals are coloured?
• What compounds conduct electricity?
• Are compounds considered pure substances?
• What compounds are insoluble in water?
• What compounds are electrolytes?
• What compounds are hydrophobic?
• How can I calculate the molar mass of a compound?
• How can compounds be broken down?
• Can compounds be both ionic and covalent?
• How are molecular compounds named?
• How do ionic compounds dissolve in water?
• How are covalent compounds named?
• How are ionic compounds formed?
• What are some common mistakes students make with compounds?
• What is an example of a compounds practice problem?
• What are some examples of compounds?
• What are compounds?
• How many nitrogen atoms are present in a sample of 1,983 hydrogen atoms, if ammonia is a compound consisting of a 1:3 ratio of nitrogen and hydrogen atoms?
• Question #7d040
• Question #b607e
• Question #6f5ea
• Question #f5682
• Question #631ca
• Question #508d0
• Question #87111
• Question #a831d
• Question #5b62e
• Question #8f2c0
• Question #e2a78
• What is the most common use of styrene, #C_6H_5CH=CH_2#?
• What are the main differences between elements, compounds, and mixtures?
• What is the difference between a #"chemical formula"#, and a #"chemical compound"#?
• Question #4a869
• Does gelatin contain tyrosine?
• Question #efca2
• Are covalent crystals equivalent to a network covalent solid?
• What does crude oil consist of? What does fractional distillation do to crude oil?
• Question #6f054
• The label on a box of washing soda states that it contains #Na_2CO_3#. Name the elements in this compound. In what ratio are they present?
• How many atoms of each type are in SIX formula units of #Ag_2SO_4#?
• A jar contains samples of the elements carbon and oxygen. Does the jar contain a compound?
• Iron is a solid, gray metal. Oxygen is a colorless gas. When they chemically combine, rust is made. Rust has a reddsh brown color. Why is rust different from the iron or oxygen that it is made of?
• Question #f3b71
• Why do #SrO_2# and #BaO_2# NOT exist?
• What are the atoms present in #"iron(II) sulfide"#, #"sulfur trioxide"#, and #"magnesium nitrate"#?
• How many hydrogen atoms in phosphate salts?
• Is nitrogen gas a compound?
• Are there atoms that can form covalent and ionic bonds?
• What is a peroxide linkage?
• A combination of chemical symbols and numbers that represents a substance is called what?
• What is #"sodium acetate"#?
• Question #0c46a
• What atoms are in a molecule of water?
• Question #a2f01
• What are hydroxides,peroxides?and teach me the types of them.
• How many carbons are there in #CH_3COOH#?
• Question #0e121
• Which of the following ethers cannot initiate radical peroxide formation?
• Question #7b279
• Question #a9a99
• Question #6a238
• Question #f374d
• Why do we need Calcium hydroxide in concrete? Is it necessary there?
• Is #"butane"# an homologue of #"butane"#?
• How are arenediazonium salts formed when it comes to benzene reactions? What kinds of reactions can it undergo?
• Question #91cb3
• Question #aac2c
• Why do ionic solids have high melting points, and high boiling points?
• How many nitrogen atoms are in each formula unit of lead(II) nitrite #Pb(NO_2)_2#?
• Question #d16b3
• What is the name of the compound #CO#?
• Does solid sodium chloride, a compound made of charged particles, conduct electricity? Why or why not?
• What kind of compound would be least likely to dissolve in water?
• What specifies the actual number of atoms of each element in one molecule of a compound?
• What is the name of NaCl?
• What is the difference between petroleum gas and natural gas?
• Which is the stronger acid, #"HF"# or #"CH"_4#? Why does #"HF"# ionize but #"CH"_4# does not? What is the difference between ionization and dissociation?
• What signals, and in what ratio, will be observed in the #""^1H# #"NMR spectrum of methylcyclohexane"#?
• What compound is commonly called laughing gas?
• What is the name of the compound that contains one uranium atom and six fluorine atoms?
• What is the smallest unit of most compounds?
• Which of the following substances cannot be a primary air pollutant? Why not?
• Why is it necessary to wash silver chloride before drying it?
• What are rubber, plastic, and asphalt examples of?
• Question #939c4
• How could you distinguish an element from a compound?
• What is #"ferrocene"#?
• Question #af2d4
• What is the smallest number of elements needed to make a compound?
• How does an element differ from a compound?
• What is the compound in CuO?
• What is the compound in FeS?
• What is the compound in MgS?
• Question #9c03f
• Ms. Salis explains to her class that sodium (Na) and chlorine (Cl) atoms bond to make table salt (NaCl). What is table salt considered?
• What is a compound?
• What makes compounds?
• How is a compound formed?
• What is the smallest partial of a compound?
• What are two examples of a compound?
• What are the sources of carbon monoxide?
• What do the formulas for table salt, #NaCl#, and water, #H_2O#, indicate about these compounds?
• What is the only thing that removes #CO_2# from the atmosphere?
• What might the name "carbohydrate" might indicate about the chemical composition of sugars?
• Question #28640
• Question #d8d9a
• Of carbon disulfide, rubber latex, and petroleum spirit, which are pure substances, and which are mixtures?
• Why is #N(OH)_3# unknown?
• What are the hazards associated with the use of the elemental halogens in the laboratory?
• What the difference between element, compound, heterogeneous, and homogeneous?
• What are typical oxidation states for tin?
• What is the difference between the hydroxides of non-metals, and the hydroxides of metals?
• Question #04158
• How do you write out the compound zinc metal?
• How do you write out the compound bromine?
• Why is benzene less saturated than cyclohexane?
• Question #e4459
• What are two uses of sodium chloride?
• What kind of chemical compound do salt and water form?
• What is the chemical formula for caffeine?
• What is a compound? How are they represented?
• What is the smallest particle of a compound?
• What would be the molecule FeO, using the Roman Numeral method?
• What name would you give a compound consisting of two bromine atoms and one calcium atom?
• How would you name the binary molecular compound #NI_3#?
• What are the characteristics of a #"pure substance"#?
• What compounds result from metathesis of sodium chloride and calcium carbonate?
• Are there any other forms of Copper Sulfate Pentahydrate? Can it have more or less water molecules attached?
• How do you know when copper(II) sulfate hydrated water evaporates?
• What is the problem associated with contamination of the waterways by water run off of agricultural fertilizers?
• Question #a3534
• What is a compound consists of two elements?
• Why do iron oxides have different properties to iron and steel, and oxygen gas?
• What two elements combine to make NaCl?
• Question #2de62
• How would you predict molten #NaCl# to behave?
• What compound is broken down to produce the element used in cans, airplanes, and building materials?
• What is a chemical combination of two or more different elements joined?
• Can a molecule also be a compound?
• Can a compound only contain one kind of atom?
• Why is a compound as common as water considered a "weird" chemical substance?
• Which is a molecular species: #"ferrous phosphate"#; #"cupric chlorite"#; #"phosphoric acid"#?
• Question #77452
• What is a compound that is composed of only carbon and hydrogen known as?
• In naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by what?
• What are binary molecular compounds made of?
• What are molecular compounds usually composed of?
• What type of compound is sulfur hexafluoride is an example of?
• How many total carbon atoms are found in a molecule of 2-methyl-2-butene?
• What is the formula for steel wool?
• What is the name ofthe compound with the formula NaF?
• What are some examples of salt?
• What is the speed of the molecules dependent upon in a substance?
• How do you identify between salt and sugar?
• What are the categories of compounds?
• Question #7c802
• How many elements are there in sulfur dioxide?
• What is a compound that has two halogen atom on adjacent carbon atoms is called?
• What is the name of the compound with 77.3% silver, 7.4% phosphorous and 15.3% oxygen?
• What are binary compounds?
• How do you write the name and formula of a binary compound?
• Question #bb64b
• What are the cleansing effects of soaps?
• What is sodium chloride is an example of because it contains two or more elements?
• What is the basic formula of a binary compound?
• What type of compound is hemoglobin?
• What do you know about a chemical compound by looking at its chemical formula?
• Question #9aad2
• How many different elements are in the compound sodium carbonate (#Na_2CO_3#)?
• What are hydrates?
• What is the name of the compound in which carbon is bound to FOUR chlorine atoms?
• Different compounds are made of different chemical combinations of what?
• What is the difference between compounds and mixtures?
• Is HCN a molecular or ionic compound?
• Can two different chemicals have the same molar mass?
• What is the smallest entity of a hydrate (e.g. CuSO4 • 5H2O)? (A formula unit?)
• What is the name of the compound # P_2O_5#?
• Question #db5fb
• What is an acid chemical compound?
• Question #8e3d7
• Why is it inaccurate to say "CO is 50 percent oxygen"?
• What process for producing steel revolutionized the entire industry, because it allowed for cheap and fast production of large quantities? Patented in 1855 it is named for its discoverer.
• How can the same elements form different compounds?
• What does the compound #ClF# contain?
• You are a compound in the laboratory. You find that it is made up of carbon, hydrogen, and oxygen in a ratio of two hydrogen atoms for each carbon atom. How will you classify the compound?
• How do we represent the reaction of potassium iodide with lead nitrate in aqueous solution?
• A molecular compound is formed when a chemical reaction occurs between atoms of what?
• What is a chemical compound whose simplestunits are molecules called?
• Do compounds have the same physical properties as their elements? What about chemical properties?
• Do compounds have properties unlike those of their elements?
• What is #"activated benzene"#?
• What is a molecule containing only two atoms?
• What are the names and structures of the following compounds? #"CO"_2#, #"C"_6"H"_12"O"_6#, #"ATP"#
• What elements is air made of?
• Question #78d26
• What chemical represents #CaCO_3#?
• What are [computer] keyboards made of? As in materials used in keys or the board itself. Thanks!
• What is the structure of an organic species that has a formula of #C_9H_18# in which ALL the hydrogens are equivalent?
• Question #d6dd9
• What are the two most abundant compounds in the atmosphere?
• What type of compound is calcium oxide?
• What is compound that does not contain carbon?
• Question #06bc3
• What is the difference between dilute #HCl# and liquid #HCl#?
• What is the salt #(NH_4)_2CO_3#, and how was it used?
• What is the name of a binary compound made up of #MgCl_2#?
• Give articles of research for metal-organic frameworks?
• Question #a203b
• What is a #"peroxide linkage"#?
• What is the compound formula on for sugar?
• A jar contains samples of the elements carbon and oxygen. Does the contain a compound?
• What kinds of titanium complexes can be made?
• A sodium atom has one outer electron, and a carbon atom has four outer electrons. How might this difference be related to the types of compounds formed by atoms of these two elements?
• What compound conducts electricity only in the molten state?
• Does pure water have more H+ ions than OH- ions?
• Question #6ac44
• Question #09fa9
• What are differences between #"Mohr's salt"#, and #"green vitriol"#?
• What is #"sulfur trioxide"#?
• Question #eac1c
• What combination of elements typically forms a molecular compound?
• What is the compound #NaCl# is made up of?
• Are compounds made up of molecules?
• What are two compounds that are made up of molecules?
• What is a molecule? Name two compounds that are made up of molecules.
• Is baking soda a compound?
• Magnesium oxide is a compound of magnesium and oxygen. How do you know that it is a completely different substance from each of the two elements it is made up of?
• Is charcoal a pure substance?
• Which of the following are organometallic ?
• Is all matter composed of molecules?
• What is the name for the compound #CH_3-CH_2-CH_2-CH_2-CH_3#?
• What is a combination of two or more elements chemically combined?
• Which two of the oxides (CO2, SiO, BeO, NO, ZnO) react neither with KOH nor with HCl?
• Question #085ee
• What is the name of the compound with the formula NaCl?
• What is the total number of atoms in the compound #Ca(ClO_3)_2#?
• What is a #"subvalent oxide"#? Can you give an example?
• Question #b53c9
• Question #b7edc
• What is the general formula that represents the compound #CH_3CH_2C CH#?
• What kind of chemical substance is an antacid? What is one potential hazard of taking too many doses or too large a dose of an antacid?
• What are the prefixes for naming molecular compounds?
• What color is coper oxide?
• How would you find out how many atoms are in a compound?
• What are hydrides?
• Can you tell from the chemical formula what the molecule looks like?
• What are #H_2O# and #O_2# examples of?
• What is the name of the compound that has one aluminum atom and three oxygen atoms?
• Question #0b108
• What do the compounds 2-butanol and 2-butene both contain?
• Question #1d1c4
• Question #4cf9a
• How is copper oxide reduced? And what is a LIQUID mixture of two metals called?
• What are examples of compounds and non-compounds?
• How many atoms in TWO formula units of #MgCl_2#?
• What accounts for water's properties of adhesion and cohesion?
• Question #66e91
• What is the correct name for this compound: #Ba_3P_2#?
• Given mercury, diamond, hexanes, a solution of sodium chloride, water, plastic, and solid potassium chloride, WHICH substances are electrical conductors?
• Question #0fc8e
• Question #e788e
• Question #08461
• Is raffinose NOT a saccharide?
• Why does water have different properties than its constituent elements?
• What is difference between baking soda and baking powder?
• Does tap water contain dissolved oxygen and nitrogen; does it contain ionic solutes?
• Question #e7f74
• I have read MgSO4 is used as mild purgative, what does it mean?
• If the density of a material is #0.88*g*mL^-1#, what is the material?
• What is brake Liquid?
• What is superoxide? Please explain
• Question #707a3
• Which of these puts the least emission into the air? (a)Oil (b)Coal (c)Natural Gas (d)Uranium
• Question #f5bac
• What is the name for # Ca(OH)_2#?
• Can a compound be a heterogeneous mixture?
• What words describe water?
• Why can a magnet separate iron atoms from a mixture but not from a compound?
• Why are all molecular compounds composed of atoms of two or more different elements?
• Question #ae7d8
• What is the name of this compound - #MgBr_2#?
• Covalent or ionic?
• What is laughing gas called? ?