Biomolecules & Covalent Bonds

Question 1

The compositions of cells are made up of atoms that are bonded to form

Answer 1

Biomolecules

Question 2

________molecules that exist in all living things.

Answer 2

Organic molecules

Question 3

_______ substances that are made mostly of carbon and hydrogen atoms which are covalently bonded. Usually large, unique molecules with complex functions.

Answer 3

Organic compounds

Question 4

________ are two or more atoms sharing one or more pairs of electrons.

Answer 4

Chemical bonds

Question 5

Atoms that gain electrons have a ____ charge, while atoms that lose electrons have a ____ charge.

Answer 5

Negative, Positive

Question 6

_______ an atom that gave up or gained an electron when reacted to another atom.

Answer 6

Ion

Question 7

Opposite charges ______ each other.

Answer 7

attract

Question 8

______ involve the sharing of the valence electrons.

Answer 8

Covalent bonds

Question 9

____ are atoms held together with covalent bonds.

Answer 9

Molecules