equations

Question 1

Microscope magnification

Answer 1

Microscope magnification = Magnification of Objective lens x Magnification of eyepiece lens

Question 2

Magnification

Answer 2

Magnification = Size of image
Size of object

Question 3

Neutrons

Answer 3

Neutrons = Atomic mass - Atomic number

Question 4

Protons

Answer 4

Protons = Atomic number

Question 5

Electrons in an atom

Answer 5

Electrons in an atom = Atomic number

Question 6

Relative atomic mass

Answer 6

Relative atomic mass = (% isotope 1 x mass) + (% isotope 2 x mass)
100

Question 7

Relative formula mass

Answer 7

Relative formula mass = sum of mass of all atoms in a compound

Question 8

Moles

Answer 8

Moles = Mass__________
Relative formula mass

Question 9

Concentration

Answer 9

Concentration = mass
volume

Question 10

Change in energy

Answer 10

Change in energy = (Bond energy of products) - (Bond energy of reactants)

Question 11

Rate of reaction

Answer 11

Rate of reaction = Change in quantity
time