Atomic Radius Groups

What is the atomic radius trend as we move down a column (group) on the periodic table?

• The atomic radius decreases

• The atomic radius increases

• The atomic radius stays the same

The trend for the atomic Radii as you move from left to right across the 4th period

• The atomic radius stays the same for all elements in 4th period

• The atomic radius gets smaller from left to right across a period.

• The atomic radius gets larger from left to right across a period

Tags

NGSS.HS-PS1-1

As you move down the periodic table atoms get bigger. This is because

• The atoms have more energy levels [n]

• The atoms have different name

• The atoms size never changed

As you move across the periodic table from left to right, the atoms tend to get smaller because the atoms have more protons and electreon.

• True

• False

Tags

NGSS.HS-PS1-1

When atoms lose electrons and form cation they become

• smaller

• bigger

When atoms gain electrons and form anion They become larger

• True

• False