WJEC C2.1/2.2 Chemistry GCSE

What is the charge of a proton?

• Positive Charge

• Negative Charge

• Neutral Charge

What is an isotope?

• Element with same number of Protons but a different number of Neutrons.

• Element with same number of Neutrons but a different number of Protons.

Select all the properties of a metal:

• Strong

• Malleable

• Conductive

• Brittle

What ions do metals form when they react?

• Positive Ions

• Negative Ions

How many neutrons are in the atom "K"?

• 7

• 2

• 39

• 12

The proper formula for magnesium hydroxide:

• MgOH

• Mg₂OH

• Mg(OH)₂

• Mg₂OH₂

How do the following two elements bond together?

Al³⁺ O^2-

• AlO

• Al₂O₃

• Al₃O₆

• Al₃O₂

How do you calculate the number of moles of a substance?

• Mr/Mass

• Mass/Mr

• Concentration/Mr

• Mass/concentration

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes

• neutrons, isotopes, and electrons

• positives, negatives, and electrons

• protons, neutrons, and electrons

What is the number of protons that the element in this image contain?

• 14

• 7

• 15

• 18