Periodic Trends 3 - Pre

Atomic Radius is...

• the relative size of the atom's nucleus
• the relative size of the atom's electron cloud
• the energy required to shield the outer electrons from the nucleus
• a measure of the ability of an atom to attract electrons

What is a positive ion called?

• anion

• cation

• isotope

• covalent

What is a negative ion called?

• anion

• cation

• covalent

• isotope

Which types of elements from cations?

• metals

• nonmetals

• metalloids

• noble gases

An atom becomes _______ when it loses electrons.

• Positive
• Negative
• Neutral
• Invinsible

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible