What is true of all atoms? A They are electrically charged. incorrect answer
B They contain more than one electron shell. incorrect answer
C They have full outer electron shells. incorrect answer
D They contain at least one proton.

Iknow the answer is a but i don't know why

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.