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An element has 43 protons and 50 neutrons. What is the atomic mass of this element?

Are enzymes specific for their reaction or can they react with any substrate? Why?

How do you write 18 as a product of prime factors?

There are 6 times as many dogs as cats. If the total number of dogs and cats is 21 how many dogs are there?

How are niches influenced by competition?

Who was Po'Pay (Pope)? What was he famous for?

What are the units of a photometer?

What are the main components of Freud's theory?

Where do you find oxidation numbers?

Is the record of past events that we call history a totally accurate description of the events as they actually happened?

Question #aaac1

Question #d5f3f

Is the big bang theory true?

Question #856d6

What is the equation of the line that goes through #(1, 5)# and #(0, 5)#?

What would the connotation of 'slaughtering' animals be?

Except for helium, how many electrons do noble gases have in their outer energy levels?

Question #47bec

A tennis player hits a ball vertically with a speed of 10 m/s. How high does it go?

Question #585d4

The teacher gave this pattern to the class: the first term is 5 and the rule is add 4, subtract 1. Each student says one number. The first student says 5. Victor is tenth in line. What number should Victor say?

How do stars form? Are they hot or cold?

What is the maximum number of trophic levels an ecosystem can support?

Are aldehydes toxic to humans? If so, what makes glucose less toxic?

How do you solve #4t^{2} + t  14#?

What temperature range are most elements on the periodic table liquids and how many would be liquids?

Why do some people not agree with the Big Bang Theory?

How do you convert 3/20 into a decimal and percent?

What is another name for rate of change of velocity?

Question #00965

How do you write #3/50# as a percentage?

How do you solve #6x^{2}  x  2= 0#?

How many unpaired electrons are there in aluminum?

Atoms of which element have the greatest tendency to gain electrons?

How many solutions does #x^26=0# have?

What is a catalyst, and how are they used in the chemical industry?

How do you simplify #(3e)/e^x#?

How do you convert 283.2 minutes to hours?

What happens to all the hydrogen atoms in glucose during aerobic respiration?

What is significance of meiosis?

The electron shell model is a simplified version of a more accurate model. Where do electrons actually reside?