Chemical formula Questionbank

Covalent compounds use prefixes to indicate the number of atoms, while ionic compounds generally do not.

Ionic compounds use prefixes to indicate the number of atoms, while covalent compounds generally do not.

Both covalent and ionic compounds use prefixes to indicate the number of atoms.

Neither covalent nor ionic compounds use prefixes to indicate the number of atoms.

molecular

structural

atomic

empirical

reactive

acidic

neutral

aqueous

The molecular mass of ionic compounds is too large to write as a molecular formula.

Ionic compounds exist as discrete molecules containing one atom of each element.

Ionic compounds form giant lattices of ions where the formula represents the simplest ratio of those ions.

Ionic compounds are always made of only two atoms.

penta-

tetra-

quad-

hexa-

The total electrical charge an atom carries after it has successfully transferred electrons to another atom.

The combining capacity of an atom of an element.

The total number of electrons present in the outermost shell of an atom.

The total number of protons and neutrons located in the nucleus of an atom.

$\text{N}_2\text{O}_3$

$\text{NO}_3$

$\text{N}_3\text{O}_2$

$\text{N}_2\text{O}$

$\text{SO}_4^{2-}$

$\text{Na}^+$

$\text{O}^{2-}$

$\text{Cl}^-$

Valency is the combining power of an atom (the number of bonds it forms), whereas ionic charge is the electrical charge acquired by losing or gaining electrons.

Valency is the electrical charge acquired by losing or gaining electrons, whereas ionic charge is the combining power of an atom (the number of bonds it forms).

Valency and ionic charge both refer to the total number of protons in the nucleus of an atom.

Valency and ionic charge both refer to the total number of valence electrons in an atom.

$\text{Mg}_2(\text{PO}_4)_3$

$\text{Mg}_3\text{PO}_4$

$\text{Mg}_3(\text{PO}_4)_2$

$\text{MgPO}_4$