Atomic weight is equal to the number of protons and neutrons in the nucleus. atomic weight is equal to the number of protons and neutrons in the nucleus.

a. True

b. False

For which pair of objects would adding the same amount of electrons to each object result in a decrease in the electric force? a. two positively charged objects b. two negatively charged objects c. two objects that have no charge d.

Is carbon or a fluorine atom more reactive?

What would the percentage of thorium-232 (parent compound) be in a rock that was dated 1.4 billion years?

What volume of a 0.352 m hydrochloric acid solution is required to neutralize 25.00 ml of a 0.700 m sodium hyrdoxide solution?

Why are scientist interested in exploring mars

What's a certain indicator that a molecule is polar?

If an electron fell to a lower orbit or energy level, energy would be a. created. b. emitted. c. absorbed. d. transferred.

How many electrons are contained in an Au3 + ion? (1) 76 (3) 82 (2) 79 (4) 197

Match the element with its number of valence electrons. Column A 1. Boron : Boron 2. Carbon : Carbon 3. Fluorine : Fluorine 4. Sodium : Sodium Column B a. 4 b. 1 c. 3 d. 7

The number of energy levels to which an electron can jump depends on the