Select all that apply. any element can always be identified by its
a. atomic mass
b. number of neutrons
c. number of protons
d. atomic number

How air particles exert a pressure on the inside of the balloon

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride