Chemistry diagnostic test

Which particle has a positive charge?

• a) orbital

• b) proton

• c) neutron

• d) electron

2. Choose the particle that has no charge.

• a) electron

• b) neutron

• c) nucleus

• d) proton

An electron has a _____ charge.

• a) negative

• b) neutral

• c) positive

What is the charge of a proton?

• a) positive

• b) negative

• c) neutral

Which subatomic particle is located in the nucleus of an atom?

• a) electron

• b) Proton

• c) None

What is the charge of a neutron?

• a) positive

• b) negative

• c) neutral

Which subatomic particle is responsible for the atomic number of an element?

• a) electron

• b) neutron

• c) proton

Water and Ribena are mixed together. Hot water, coffee and sugar are mixed together. Which substance is the solvent in both?

• a) Sugar

• b) Water

• c) Coffee

• d) Ribena

If we dissolve salt in water and heat the water, it becomes a vapor and leaves the salt. This is called...

• a) Decantation

• b) Evaporation

• c) Filtration

• d) Distillation

What's this separation method?

• a) Magnetism

• b) Filtration

• c) evaporation

• d) distillation