3.2.1 - Particle Numbers

Question 1

What are the three types of SUBATOMIC PARTICLES does each atom contain !?

Answer 1

. Proton
. Neutron
. Electron

Question 2

Relative MASS of a PROTON !?

Answer 2

. 1.000

Question 3

Relative MASS of a NEUTRON !?

Answer 3

. 1.000

Question 4

Relative MASS of an ELECTRON !?

Answer 4

. 0.001

Question 5

Relative CHARGE of a PROTON !?

Answer 5

. +1

Question 6

Relative CHARGE of a NEUTRON !?

Answer 6

. 0

Question 7

Relative CHARGE of an ELECTRON !?

Answer 7

. -1

Question 8

Where are PROTONS and NEUTRONS located within an atom !?

Answer 8

. In the NUCLEUS

Question 9

Where are ELECTRONS located within an atom !?

Answer 9

. Found in ENERGY LEVELS (“shells”) around the nucleus

Question 10

What is the ATOMIC NUMBER of an atom !?

Answer 10

. The number of protons

Question 11

What is the MASS NUMBER of an atom !?

Answer 11

. The total number of protons and neutrons

Question 12

Are atoms neutral !?

Answer 12

. Yes, the
number of electrons=number of protons

Question 13

What are ISOTOPES !?

Answer 13

. Isotopes are atoms with the SAME NUMBER OF PROTONS but DIFFERENT NUMBERS OF NEUTRONS

Question 14

How do you calculate the relative atomic mass (RAM) !?

Answer 14

. It is calculated using the MASS NUMBERS of each isotope and their % ABUNDANCES in nature