What is the name of the Group 17 elements? A. Nobel gases
B. Alkaline earth metals
C. Alkali metals
D. Halogens

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Which characteristics can be used to differentiate star systems? check all that apply.