Chemistry quiz 2

Question 1

mass number 1amu and charge +1

Answer 1

Proton

Question 2

Mass number 0amu and charge -1

Answer 2

Electron

Question 3

Mass number 1amu and charge 0

Answer 3

Neutron

Question 4

Found in the nucleus

Answer 4

Proton and Neutron

Question 5

Found in the energy levels

Answer 5

Electron

Question 6

Atoms of the same element with different mass numbers. Different amounts of neutrons cause different mass numbers.

Answer 6

Isotope

Question 7

Atoms with an electric charge. Electric charge is caused by losing or gaining electrons

Answer 7

Ions

Question 8

What is the equation for calculating the charge of an atom?

Answer 8

Charge = protons - Electrons

Question 9

Tells us the mass of an individual atom

Answer 9

Mass number - whole

Question 10

Tells us the average mass of all the atoms of a certain alement

Answer 10

Atomic mass - decimal

Question 11

Calculate the atomic mass of Gallium. The two isotopes are 69Ga, which has a natural abundance of 60.1%, and 71Ga, which has a natural abundance of 39.1%

Answer 11

69.3 amu