Introduction to Ions

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 anions?

• metals

• nonmetals

• metalloids

• noble gases

How many electrons would a Nitrogen ion gain/lose?

• lose 5

• gain 5

• lose 3

• gain 3

How many electrons would a Calcium ion gain/lose?

• lose 1

• gain 1

• lose 2

• gain 2

What is the ion formed from Sulfur?

• S⁺²

• S^-2

• S⁺⁶

• S^-6

If an atom loses electrons, the charge will be positive.

• true

• false

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

• Br^-1

• Br⁺¹

• Br⁺⁷

• Br^-7

What is an ion?

• A charged atom or molecule

• A neutral atom

• A molecule with no electrons

• A type of isotope

Which of the following is a characteristic of cations?

• They have more electrons than protons

• They have more protons than electrons

• They have equal numbers of protons and electrons

• They have no charge