Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions, typically between a metal and a nonmetal.

Front

What is a covalent bond?

Back

A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons, usually between nonmetals.

Front

What is the charge of a sulfate ion (SO4)?

Back

The sulfate ion (SO4) has a charge of -2.

Front

What is the formula for the ionic compound formed between sodium (Na) and chlorine (Cl)?

Back

The formula is NaCl.

Front

What is the difference between ionic and covalent compounds?

Back

Ionic compounds are formed from the transfer of electrons and consist of ions, while covalent compounds are formed from the sharing of electrons between atoms.

Front

What is the charge of aluminum (Al) in Al2O3?

Back

The charge of aluminum (Al) in Al2O3 is +3.

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged ion composed of two or more atoms bonded together, such as sulfate (SO4) or phosphate (PO4).

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is a double bond?

Back

A double bond is a type of covalent bond where two pairs of electrons are shared between two atoms.

Front

Which of the following is an example of a covalent compound: H2O, NaCl, or MgO?

Back

H2O (water) is an example of a covalent compound.