Chemical Bonds and Chemical Formulas

The basis of an ionic bond is the

• sharing of an electron pair

• electrical attraction between oppositely charged ions

• absorption of energy

• absorption of water into their solid structures

Tags

NGSS.HS-PS2-4

Elements tend to gain or lose electrons in order to acquire the electron configuration of a

• halogen

• transition metal

• noble gas

• nonmetal

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ions that are formed from more than one atom are called

• polyatomic ions

• monatomic ions

• molecules

• acids

A double covalent bond consists of

• two pairs of shared electrons

• two shared electrons

• six shared electrons

• unshared electrons

When one atom is significantly more electronegative than another one, a covalent bond between them is

• nonpolar

• hydrated

• polar

• very unstable.

Which prefix is correctly paired with the number it represents?

• deca-, 6

• hexa-, 8

• octa-, 9

• tetra-, 4

What is the correct name for NaBr?

• monosodium monobromide

• sodium bromide

• sodium (I) bromide

• sodium bromate

what is the correct name for Ba(OH)₂?

• barium hydroxide

• monobarium dihydroxide

• barium (II) hydroxide

• barium monoxide

What is the correct name for the formula for N₂O₅?

• dinitrogen pentoxide

• nitrogen (V) oxide

• nitrogen oxide

• dinitrogen (V) pentoxide

What is the correct formula for CCl₄?

• monocarbon tetrachloride

• carbon tetrachloride

• carbon (IV) chloride

• carbon chloride