chemistry

Question 1

name 3 subatomic particles and their charges

Answer 1

positive [+1] negative[-1]
neutrons [0]

Question 2

where are protons and neutrons located within the atom

Answer 2

nucleus

Question 3

what determines the atomic number of an element

Answer 3

number of protons

Question 4

how do you calculate the number of neutrons in an atom using the mass and atomic number

Answer 4

number of neutrons =mass number- atomic number

Question 5

explain what isotopes are and provide an example

Answer 5

isotopes are atoms of the same elements with the same number of protons but a different number of neutrons

Question 6

describe the maximum number of electrons that can occupy the first three electron shells

Answer 6

shell 1: 2 electrons
shell 2: 8 electrons
shell 3: 8 electrons

Question 7

what is a mass number

Answer 7

total number of protons and neutrons in the nucleus of an atom

Question 8

what’s an atomic number

Answer 8

number of protons in the nucleus of an atom