Which of the following statements is true for gas particles? a. they move freely and combine with each other. b. they don’t move at all. c. they move slowly and in a structured pattern. d. they are constantly in motion and changing position.

What is the maximum number of electrons that an atomic orbital can contain?

Name the element in group 17, period 2. (periodic table)

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's