Ionic Bonds

Ionic bonds form when atoms __________ electrons.

• gain

• lose

• gain or lose

• share

Which of the following best describes an ion?

• an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

• an atom or molecule with a net positive charge due to the loss of one or more electrons

• an atom or molecule with a net negative charge due to the gain of one or more electrons.

• an atom or molecule with a net positive charge due to the gain of one or more electrons.

Which of the following best describes a cation?

• an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

• an atom or molecule with a net positive charge due to the loss of one or more electrons

• an atom or molecule with a net negative charge due to the gain of one or more electrons.

• an atom or molecule with a net positive charge due to the gain of one or more electrons.

Which of the following best describes an anion?

• an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

• an atom or molecule with a net positive charge due to the loss of one or more electrons

• an atom or molecule with a net negative charge due to the gain of one or more electrons.

• an atom or molecule with a net positive charge due to the gain of one or more electrons.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Potassium has one valence electron. Which of the following elements is potassium likely to form an ionic bond with?

• Chlorine

• Rubidium

• Strontium

• Lithium

In the compound KCl (potassium chloride) how many electrons does potassium give to chlorine?

• 1

• 2

• 3

• 4

In the compound KCl (potassium chloride) which atom becomes the positively charged cation?

• Potassium

• Chlorine

In the compound KCl (potassium chloride) which atom becomes the negatively charged anion?

• Potassium

• Chlorine

Which of the following would NOT be a property of potassium chloride.

• Brittle

• Does not dissolve in water

• conducts electricity

• high melting point

Most bonding occurs so that atoms can form an _______ in their valence energy level.

• pair

• octet

• trio

• quartet

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2