Chemical Elements Quiz

Chemical elements:

• are always solids.

• can be split up by heating them.

• can be split up using electricity.

• cannot be split into anything simpler.

Which of these metals is a mixture?

• Iron

• Copper

• aluminum

• Bronze

The smallest part of an element is called:

• An atom.

• A molecule.

• A compound.

• An ion.

The correct way to write the chemical symbol for the element calcium is:

• CA.

• Ca.

• ca.

• C

Which list contains only metals?

• Copper, Gold, Silver

• Copper, Gold, Sulfur

• Silver, Oxygen, Iodine

• Oxygen, Iodine, Sulfur

Copper is used for electrical wiring because it is:

• flexible and a good conductor of heat.

• shiny and flexible.

• shiny and a good electrical insulator.

• Ductile and a good electrical conductor.

A compound contains:

• only one type of atom.

• only one element.

• Two atoms of the same element.

• At least two elements joined.

Which of the following groups of the periodic table has highly stable elements?

• Halogens

• Alkali metals

• Noble gases

• Transition metals

The following elements are gases at room temperature

• Hydrogen, Helium and Carbon

• Hydrogen, Nitrogen and Argon

• Helium, Chlorine and Sodium

• Silicon, Fluorine and Oxygen

What does the atomic mass tell you?

• The number of electrons and protons

• The number of neutrons

• The number of protons and neutrons

• The number of protons