Chemistry 10th

A compound is

• Is a substance composed of two or more elements.

• another word for atom

• any substance that can be split

• is a substance composed of elements of the same kind

Painting a door is consider a chemical change.

• True

• False

_______________is anything that has mass and occupies space.

If a mixture has uniform composition is called

• compound

• homogeneous

• heterogeneous

• combination

The vertical columns of the periodic table are called

• periods

• rows

• groups

• chemicals

Which of the following is not a property of metals?

• malleabilty

• good conductor of electricity

• brittleness

• ductibility

Element that is consider a metalloid

• K

• O

• B

• Ca

Which of the following describes a noble gas?

• massless

• unreactive

• good heat conductors

• good electrical conductors

The element of Fe is a

• noble gas

• alkali metal

• transition metal

• halogen

The following state of matter has the greatest kinetic energy___________.

• solid

• liquid

• gas

• plasma