Chemistry in Biology

A charged atom that has lost or gained electrons is called a(n)_________

• Acid
• catalyst
• ion
• isotope

A bond that is formed when electrons are shared.

• Carbon-14
• Covalent
• Ionic
• James

radioactive isotope of carbon

• Carbon-14
• Covalent
• Ionic
• James

Anything that occupies space and has mass is know as

• electron

• matter

• atomic mass

• chemical reaction

True or False: Air is the example of matter.

• True

• False

All matter is made of

• atoms

• cells

• energy

• compounds

True or False: Atom is made up of

tiny subatomic particles called protons, neutrons, and electrons.

• True

• False

Negatively charged particles that travel at very high speeds in energy shells around the nucleus are

• protons

• neutrons

• electrons

• atoms

If protons have a positive charge and are found in the nucleus, how many protons does the atom below have?

• 2

• 4

• 6

• 12

Particles with no charge (electrically neutral particles) that are found in the nucleus of the atom are called

• protons

• neutrons

• electrons

• elements