Periodic table

How many protons has Oxygen got?

• 10

• 8

• 16

• 15.9994

Which of these particles are NOT not in the Nucleus?

• Protons

• Neutrons

• Electrons

What element does the Symbol Fe stand for?

• Fruit

• Copper

• Iron

• Francium

What is the Mass Number of an element?

• Number of protons AND Neutrons in an atom

• The mass of the atom

• The group that the element is in

• The number of protons in an element

Group 8 on the Periodic table is called the...

• Alkali Metals

• Alkaline Earth Metals

• The Halogens

• The Noble gases

Group 7 on the Periodic table is called the...

• Alkali Metals

• Alkaline Earth Metals

• The Halogens

• The Noble gases

Group 2 on the Periodic table is called the...

• Alkali Metals

• Alkaline Earth Metals

• The Halogens

• The Noble gases

What element does the symbol K stand for?

• Calcium

• Potassium

• Magnesium

• Hydrogen

How many NEUTRONS are in this element?

• 19

• 20

• 39

• 12

How many electrons are in the nitrogen atom?

• 2

• 5

• 7

• 10