Question

Please Help Beryllium is the first element in Group 2 of the periodic table. Calcium is the third element in the same group. Which statement is true of both of their ions?
  

Both of their ions will have a charge of +1.

 

  

Both of their ions will have a charge of +2.

 

  

The charge on a calcium ion will be greater than the charge on a beryllium ion.

 

  

Both of their ions will have a charge of -2.

 

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Answer 1

Answer:

The correct option is Both of their ions will have a charge of +2

Explanation:

The periodic table has vertical columns called the group and horizontal rows called periods. Elements in the same group have the same number of electrons in their outermost shell - for instance elements in group 1 have just one electron in there outermost shell and elements in group 2 have two electrons in their outermost shell.

When elements (usually metals) lose/donate the electron(s) in their outermost shell, they become positively charged and when non-metals gain electron(s) that are added to their outermost shell, they become negatively charged. Elements in group 2 will lose the two electrons in their outermost shell to become positively charged having a charge of +2 to show they have lost/donated the two electrons in there outermost shell.

Answer 2

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- You have to understand the overall concept

Elements in group 2 have 2 electrons in their outer shell and would lose 2 electrons to form 2+ions.

If you think about it, it makes sense.

An element itself has no charge as the number of protons and electrons but if it loses 2 electrons, it will have 2 more protons than electrons.

In short, your answer is 'both of their ions will have a charge of +2'

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