CK12 Chemistry

Metals can be involved in ______.

• covalent bonds

• metallic bonds

• ionic bonds

• two of the above

In covalent bonds, atoms _______.

• share electrons

• transfer electrons

• lose electrons

• gain electrons

Tags

NGSS.HS-PS1-1

Which of the following bond strengths rank in the correct order?

• Na-Na < Na-Br <Br-Br

• S-S < K-K < K-S

• Mg-Mg < O-O < Mg-O

• H-H < Ca-H < Ca-Ca

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A metallic bond is a bond between a positively charged metal ion and

• the valence electrons of a halogen ion.

• a negatively charged nonmetal ion.

• a negatively charged halogen ion.

• the valence electrons of severely metal ions

Complete the sentence using one of the following terms: metal, metalloid, nonmetal.

Covalent bonds form between two _______ atoms.

Ionic bonds form between oppositely charged _____.

Which of the following bonds is the strongest?

• Na-Br

• H-N

• Mg-Mg

• N-N

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS1-3

An example of a compound that contains ionic bonds is water.

• true

• false

________ form when a nonmetal transfers valence electrons to a nonmetal.

• covalent bonds

• ionic bonds

Tags

NGSS.HS-PS1-1

A chemical _______ is a force of attraction between atoms or ions that share or transfer valence electrons.