Front

What two elements only need two valence electrons to be happy?

Back

Hydrogen and Helium.

Front

What is a lone pair?

Back

A pair of non-bonding electrons.

Front

If an element gives away an electron, what type of ion will it form?

Back

Positive ion.

Front

How many valence electrons does carbon have?

Back

4.

Front

What is the correct Lewis dot structure for the molecule fluorine (F2)?

Back

Structure B.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is an ionic bond?

Back

A chemical bond formed through the transfer of electrons from one atom to another.

Front

What is a covalent bond?

Back

A chemical bond formed by the sharing of electrons between atoms.

Front

What is electronegativity?

Back

The tendency of an atom to attract electrons in a chemical bond.

Front

What is the octet rule?

Back

Atoms tend to bond in such a way that they have eight electrons in their valence shell.