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Question 1

What is atomic radius?

Answer 1

The atomic radius is the size of an atom measured from the nucleus to the valence electron.

Question 2

Why does the atomic radius of group 2 elements increase as you go down the group?

Answer 2

The atomic radius increases down the group because of the addition of more electron shells, which increases the distance between the nucleus and the valence electrons.

Question 3

What is ionization?

Answer 3

Ionization is the process by which an atom gains or loses electrons to form ions.

Question 4

Which groups of elements tend to lose electrons during ionization?

Answer 4

Elements in groups 1, 2, and 3 tend to lose electrons during ionization.

Question 5

Why does the ease of ionization increase as you move down a group?

Answer 5

As atomic radii increase down the group, the attractive pull of the positive nucleus on the valence electrons decreases, making it easier for the atom to lose its valence electrons.