Which of the following is an example of individual evidence? Group of answer choices

A Nike Jacket

A red jacket with a smiley face logo

A size large jacket

A torn jacket with a missing sleeve

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?