OW Sci 8: Quiz 2 Periodic Table, Atoms, Elements

Atoms are made of _________. CHOOSE ALL THAT APPLY.

• protons

• neutrons

• molecules

• electrons

• elements

Which of the following statements is true?

• All molecules are compounds.

• Compounds have the same properties as the elements they are made from.

• Protons have negative charges.

• A piece of gold is made of only gold atoms.

In the planetary model, electrons _____.

• do not exist

• are shown in a cloud

• have positive charges

• orbit the nucleus like the planets orbit the sun

Iron

• Na

• N

• O

• Fe

Oxygen

• Na

• N

• O

• Fe

Sodium

• Na

• N

• O

• Fe

Nitrogen

• Na

• N

• O

• Fe

Potassium

• Cu

• C

• K

Copper

• Cu

• C

• K

Carbon

• Cu

• C

• K