The chemical combination of two or more different atoms in fixed amounts is called a (n)

element.

compound.

orbit.

mixture.

When an object is heated it contracts. A. True B. False

A sample of an unknown liquid has a volume of 12.0 mL and a mass of 6 g. What is its density?

When light waves strike a blue object, what happens to the light waves of all colors except blue?

Why is copper so widely sought world market and new york mercantile exchange?

Which statement best describes the gas in a scuba tank? A) the gas is compressed. B) the molecule of gas are not moving. C) the gas barely fills its container.

The spinning of earth on its axis causes the apparent rising and setting of the

20 m/s can be an answer for velocity true or false

Two copper wires with different diameters are joined end to end. If a current flows in the wire combination, what happens to electrons when they move from the larger-diameter wire into the smaller-diameter wire?

A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player/'s hand.

Volume can be measured in liters or cubic meters. a. T b. F