Joseph divides 8.64 by 2.0. How many significant figures should his answer have?

one

two

three

five

J. J. Thomson's experiments supported the existence of a particle that deflected away from a negative charge and toward a positive charge.

1. Earth's diameter is 12.756 kilometers. How many meters is this? 2. The diameter of Earth's moon is 3.476 kilometers. Express this distance in centimeters.

What is the term for a bronze, three-legged container used as a serving vessel during the Chinese Zhou dynasty?

Which statement correctly describes an atom of the element helium? A. An atom of helium has eight electrons in its outer energy B. An atom of helium most similarly behaves like an atom of hydrogen since it is in the same period. C.

Determine whether each of the descriptions of matter describes a heterogeneous mixture, a homogeneous mixture, or a pure substance. a. two substances present; two phases present b. two substances present; one phase present c.

What is the volume in ml of one pound of mercury?

A reaction in which two light nuclei combine to form a heavier nucleus is termed a. fission. b. a redox reaction. c. a chemical reaction. d. fusion.

The pressure of a gas at 10 degrees celsius is greater that the pressure of the gas at 30 degrees celsius True False

Calculate the molar solubility of ag2so4 in each solution below. the ksp of silver sulfate is 1.5 * 10-5. (a) 0.36 m agno3: (b) 0.36 m na2so4:

Which statement best illustrates why carbon is so important to living things? a. Carbon occurs as a solid, a liquid, and a gas. b. Carbon is found in both the living and nonliving worlds. c. Carbon is stored in large quantities in fossil fuels. d.