Chemistry of Life

Which one is an element?

Which one is a compound?

The atomic number of an atom is equal to the number of ____ in the nucleus.

The smallest particle of a chemical element that can exist.

A(n) _____ is a component of an atomic nucleus with a mass defined as 1 and a charge of +1.

Anything that has mass and occupies space is called matter.

Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons.

Which one is NOT an element?

Regions surrounding the atomic nucleus containing a specific number of electrons.

Carbon has 6 neutrons and 6 protons, so

The ______ is a subatomic particle with a negative one elementary electric charge.

Molecule is a group of two or more atoms that form the smallest identifiable unit of a pure substance.

What are the subatomic particles?

Each of more than one hundred substances that cannot be chemically broken down into simpler substances.

Which one is NOT a compound?

Bond is a strong force of attraction holding ____ together in a _______.

The mass number is the total number of ____ and ____in a nucleus.

A(n)_____ is a unique substance that consists of two or more elements combined in fixed proportions.

An uncharged atomic particle that has a mass nearly equal to that of the proton is

__________ make up 96% of our body's mass.

Type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.