Chemical Bonding Test

A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together is called a(n) _______.

• chemical bond

• Covalent bond

• Metallic bond

• Hydrogen bond

Tags

NGSS.HS-PS1-1

The electrons involved in the formation of a chemical bond are called _______.

• Valence electrons

• Core electrons

• Inner electrons

• Conduction electrons

• Free electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If the atoms that share electrons have an unequal attraction for the electrons, the bond is called _______.

• Nonpolar covalent

• Polar covalent

• Ionic

• Metallic

Tags

NGSS.HS-PS1-3

What are shared in a covalent bond?

• Protons

• Neutrons

• Electrons

• Ions

How many more electrons does nitrogen need to satisfy the octet rule?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

What group of elements satisfies the octet rule without forming compounds?

• Alkali metals

• Alkaline earth metals

• Noble gases

• Halogens

Compared with ionic compounds, molecular compounds generally have _______.

• Higher boiling points

• Greater hardness

• Higher melting points

• Lower density

• Lower melting points

Malleability and ductility are characteristic of substances with _______.

• Van der Waals forces

• Metallic bonds

• Ionic bonds

• Covalent bonds

• Hydrogen bonds

A chemical formula includes the symbols of the elements in the compound and subscripts that indicate _______.

• Atomic numbers

• Mass numbers

• Charges

• Number of atoms

A chemical formula for a molecular compound represents the composition of _______.

• A single atom

• An ionic compound

• A molecule

• A metallic bond

Tags

NGSS.MS-PS1-1