Ions and Chemical Bonds Quiz

Choose the correct answer.

An ion is ....

• An atom or group of atoms with a charge.

• An atom where the number of protons equals the number of electrons

• A neutral atom.

• An atom where the number of protons does not equal the number of electrons.

Choose the correct answer.

An atom that gains electrons will have a charge.

• positive

• negative

• Neutral

• None of the above

Choose the correct answer.

If an atom gains 3 electrons, what charge will it have as an ion?

• +5

• -3

• -5

• +3

Choose the correct answer. An atom that loses electrons will have a charge.

• positive

• negative

• Neutral

• None of the above

If an element gains 2 electrons, what charge will it have when it becomes an ion?

• -6

• -2

• -6

• +2

If an atom loses 2 electrons, what charge will it have as an ion?

• -2

• 0

• +8

• +2

Negative ions are called .

• Cations

• Anions

• Negins

• Electron

Complete the sentence.

An ion forms when an atom gains or loses .....

• protons.

• neutrons.

• electrons.

• Nucleus

A positively charged ion is formed when

• a neutron is lost.

• an electron is lost.

• a neutron is gained.

• an electron is gained.

An ion has 12 electrons and 10 protons. What is the charge on this ion?

• +2

• -2

• 0

• +1