Chemchem

H₂O is really called dihydrogen monoxide.

• True

• False

When naming ionic compounds, you never change the spelling of the anion if it is a nonmetal.

• True

• False

When naming covalent compounds, the spelling of metals is never changed.

• True

• False

The electron configuration of a selenide ion is 1s² 2s² 2p⁶ 3s² 3p⁴.

• True

• False

Tags

NGSS.HS-PS1-1

Sodium and lithium can combine to form a covalent compound.

• True

• False

Ionic bonding is the result of an electrostatic attraction between a positive and negative ion.

• True

• False

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

Covalent compounds share electrons to fulfill the octet rule.

• True

• False

Ionic compounds are usually crystals.

• True

• False

In contrast to ionic compounds, covalent compounds usually have a lower melting point.

• True

• False

Valence electrons are the electrons in the outer s and p sublevels that are available for bonding.

• True

• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2