Question #1ef00

1 Answer
May 16, 2017

Answer:

Grab a Periodic Table!

Explanation:

For starters, you should know that beryllium's chemical symbol is #"Be"#, so grab a Periodic Table and look for an element box that contains #"Be"#--it should look something like this

http://www.cafepress.com/+periodic-table-beryllium+coasters

Now, you should also know that the Periodic Table is divided into horizontal rows that are called periods and vertical columns that are called groups.

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If you managed to locate the element box for beryllium, you should be looking at this

https://ro.pinterest.com/pin/337699672031160730/

To find the period in which beryllium is located, look for the row that contains its element box. Start counting down from the top-left element box, i.e. from #"H"#. Beryllium is located in period #2#.

To find the group in which beryllium is located, look for the column that contains its element box. Start counting to the right from the top-left element box. Beryllium is located in group #2#.