Chemistry Chapter 1

The definition of a chemical is

• a toxic substance made in the laboratory

• an unnatural material addded to food

• any substance that has a definite composition

• anything that has mass and takes up space

The fundamental building block of matter is

• atom

• molecule

• cell

• proton

An element is made of one type of

• molecule

• atom

• compound

• mixture

Which of the following is an intensive property?

• volume

• mass

• energy content

• density

Property that does not change the identity of the substance

Which is not true about the liquid state of matter?

• has a definite volume and shape

• takes the shape of the container

• has definite volume and indefinite shape

• particles slide-pass each other

The vertical columns of the periodic table are called ________.

Which of the following is not a property of a metal?

• malleability

• good electrical conductivity

• brittleness

• ductile

The element carbon is classified as

• metal

• nonmetal

• metalloid

• noble gas

Which of the following elements is a metalloid?

• neon

• sodium

• mercury

• silicon