moles

Question 1

Mole is the unit for..

Answer 1

The amount of substance

Question 2

Empirical formula

Answer 2

Shows the simplest whole number ratio of atoms present in a compound

Question 3

Molecular formula

Answer 3

Shows the actual number of atoms of each element of a compound

Question 4

proton relative mass

Answer 4

1

Question 5

proton relative charge

Answer 5

+1

Question 6

neutron relative mass

Answer 6

1

Question 7

neutron relative charge

Answer 7

0

Question 8

electron relative charge

Answer 8

-1

Question 9

electron relative mass

Answer 9

1/1836

Question 10

isotope

Answer 10

different forms of the same element, which have the same number of protons but different number of neutrons

Question 11

atomic number

Answer 11

number of protons

Question 12

relative atomic mass

Answer 12

average mass of the isotopes of the element

Question 13

mass number

Answer 13

number of protons and neutrons

Question 14

empirical formula

Answer 14

the simplest whole number ratio of atoms present in a compound

Question 15

molecular formula

Answer 15

the actual number of atoms of each element present in a molecule