Test Review ionic and covalent conpounds

Front

What type of bond is formed between hydrogen and chlorine?

Back

Covalent bond

Front

What is the correct formula for lithium oxide?

Back

Li₂O

Front

How many valence electrons does a bromine atom have?

Back

7

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in forming bonds.

Front

What type of bond involves the sharing of electrons?

Back

Covalent bonds

Front

What is the chemical formula for the ionic compound formed from potassium and oxygen?

Back

K₂O

Front

What is an ionic bond?

Back

A bond formed by the transfer of electrons from one atom to another, resulting in the attraction between oppositely charged ions.

Front

What is a covalent bond?

Back

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

Front

How do you determine the number of valence electrons in an element?

Back

By looking at its group number in the periodic table.

Front

What is the significance of valence electrons in chemical bonding?

Back

They determine how an atom can bond with other atoms.