Chemistry of Life Chapter Review

The smallest particle of any type of matter is ...

• atom

• element

• compound

• chemical

what are the three particles that make up the atom?

• protons, neutrons, and isotopes

• positives, negatives, and electrons

• neutrons, isotopes, and electrons

• protons, neutrons, and electrons

Positively charges particle in an atom is a ...

• neutron

• ion

• proton

• electron

Subatomic particles with a neutral charge

• electrons

• protons

• neutrons

• quarks

What subatomic particle(s) orbits the nucleus?

• only neutrons

• protons and neutrons

• electrons only

• protons and electrons

What subatomic particles would you find in the nucleus of an atom?

• protons only

• neutrons and electrons

• protons and neutrons

• protons and electrons

A horizontal row of elements is a ...

• group

• family

• period

• straight

What does the atomic number of an element indicate?

• number of nucleons in the atom

• number of electrons in the atom

• number of neutrons in the nucleus

• number of protons in the nucleus

The number of neutrons is found by subtracting the atomic number from the atomic ...

• symbol

• number

• bomb

• mass

What is the mass of an atom is it has 11 protons, 12 neutrons, and 11 electrons?

• 22

• 34

• 11

• 23