Atomic num, mass num and relative mass

Question 1

relative charge of a proton

Answer 1

+1

Question 2

relative charge of neutron

Answer 2

0

Question 3

relative charge of e-

Answer 3

-1

Question 4

relative mass of proton

Answer 4

1

Question 5

relative mass of neutron

Answer 5

1

Question 6

relative mass of electron

Answer 6

1/1840

Question 7

mass number

Answer 7

sum of protons and neutrons in an atom

Question 8

atomic number

Answer 8

the num of protons in an atom

Question 9

isotopes

Answer 9

atoms of the same elements with the same atomic number but different number of neutrons

Question 10

relative atomic mass

Answer 10

the weighted mean mass of an atom of an element, relative to one twelfth of the mean mass of an atom of the carbon-12 isotope

Question 11

relative isotopic mass

Answer 11

the isotopic mass of an isotope relative to one twelfth of the mean mass of an atom of the carbon-12 isotope

Question 12

relative molecular mass

Answer 12

the weighted mean mass of a molecule of a compound, relative to one twelfth of the mean mass of an atom of the carbon-12 isotope

Question 13

moles 1 equation

Answer 13

mass/ mr

Question 14

moles 2 equation

Answer 14

volume given/ 24