Elements & Compounds

Matter is ...

• anything that has matter and takes up space

• made of atoms

• exists in three states: solid, liquid, gas

• all statements are correct

Which of the following is NOT true of a pure substance -

• all the particles are not the same

• the physical and chemical properties are constant

• only contains one type of matter

• all particles are the same

Which of the following is an element?

• water

• air

• oxygen

• salt

Which of the following is NOT a compound?

• water

• salt

• carbon dioxide

• oxygen

Which of the following is a compound?

• glucose

• sulfur

• carbon

• mercury

Which of the following is a liquid at room temperature?

• gold

• silver

• mercury

• carbon

Which of the following is a metal?

• chlorine

• silicone

• boron

• potassium

Which of the following is a metalloid?

• arsenic

• xeon

• magnesium

• iodine

True or False: Elements are pure substances and compounds are mixtures.

• True

• False

True or False: All the elements on the periodic table occur naturally.

• True

• False