Number of protons in Xe

How to calculate the mass of copper

15. what volume of cci, (d = 1.6 g/cc) contain6.02 x 1025 cci, molecules (ci = 35.5)(1) 10.5 l(2) 250 ml(3) 9.625 l(4) 1.712 lplz answer with step by step explanation

Which of the following are in a chemical family a. ca, sc, k b. cu, ag, au c. so, ge, sb