Ionic Bonding Review

Which statement about ions is TRUE?

• Ions are formed when atoms gain or lose neutrons.

• A cation is negatively charged.

• An atom that loses electrons is negatively charged.

• A metal will tend to lose electrons when it becomes an ion.

Which of the following will form an ion with a 2- charge?

• Ca

• Se

• Ge

• N

Write the correct formula for an ionic compound formed from S^2- and Rb¹⁺.

• SRb₂

• SRb

• Rb₂S

• RbS₂

An anion in an ionic formula is

• usually a nonmetal.

• the positive ion.

• written first.

• missing electrons because it gave them up.

Which of the following is TRUE for the CATION in an ionic compound?

• The electrons are transferred to the cation.

• The cation is usually a nonmetal.

• The cation is negatively charged.

• The cation is usually the first element in the formula.

What will be the charge of a bromine ion?

• +7

• -7

• -1

• +1

Which element below would have a 3+ charge as an ion?

• nitrogen (N)

• boron (B)

• silicon (Si)

• argon (Ar)

How many valence electrons does an atom of sulfur have?

• 2

• 4

• 8

• 6

A charged particle that has gained or lost electrons is called a _____.

• molecule

• ion

• isotope

• element

A cation is a ____ ion.

• negative

• positive

• neutral

• ficticious