C1 Combined Chemistry AQA

Isotopes are atoms of the same element with a different number of ..........

• Protons

• Electrons

• Neutrons

• Nuclei

What separation technique is required to separate sand, salt and water, where the water is retained?

• Filtration then crystalisation

• Filtration then distillation

• Chromatography

• Fractional distillation

What element is this atom?

• Beryllium

• Boron

• Nitrogen

• Fluorine

Zinc + Oxygen --->

• Zinc Hydroxide

• Zinc Oxygen

• Zinc Oxide

• Oxygen Zincide

The mass number is equal to the .....

• Protons + Electrons

• Protons - Neutrons

• Protons + Neutrons

• Neutrons - Electrons

How many neutrons does the element have?

• 80

• 35

• 115

• 45

What is the missing value?

• +1

• -1

• 0

• -2

What model of the atom is shown?

• Solid Sphere (Dalton)

• Plum Pudding (JJ Thomson)

• Nuclear (Rutherford)

• Modern Model (Chadwick)

What model of the atom is shown?

• Solid Sphere (Dalton)

• Plum Pudding (JJ Thomson)

• Nuclear (Rutherford)

• Modern Model (Chadwick)

What model of the atom is shown?

• Solid Sphere (Dalton)

• Plum Pudding (JJ Thomson)

• Nuclear (Rutherford)

• Modern Model (Chadwick)