Which of the following elements is a gas at room temperature? fluorine (f) sulfur (s) mercury (hg) iodine (i)

Will mark brainliest how many electrons can be held in the energy level n = 4?

Which is true about metals used for jewelry, such as platinum and gold? a. they have low flammability. b. they have low reactivity. c. they have high flammability. d. they have high reactivity.

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.