Ionic and covalent bonds

Front

Valence electrons are found

Back

in the outermost energy levels of an atom

Front

What does the octet rule state?

Back

Elements tend to have 8 electrons in their outermost shell because that makes them more stable.

Front

What type of bond is present in MgCl2?

Back

ionic bond

Front

An atom with 1 valence electron 'needs' a full shell. Is it more likely to gain 7 electrons or lose 1?

Back

lose 1

Front

Which of the following is an ionic compound? H3N, CaCl2, NO2, SCl

Back

CaCl2

Front

What is an ionic bond?

Back

A chemical bond formed between two ions with opposite charges.

Front

What is a covalent bond?

Back

A chemical bond formed when two atoms share one or more pairs of electrons.

Front

What is the significance of valence electrons in bonding?

Back

Valence electrons determine how an atom can bond with others.

Front

What is the electron configuration of a stable atom?

Back

A stable atom has a full outer shell of electrons.

Front

What happens to an atom that loses an electron?

Back

It becomes a positively charged ion.