Match the subatomic particle to its best explanation: PHOTON

a fermion
b composite particle
c weak force
d strong force
e forces
f leptons
g up
h +2/3
i gravity

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g

Which sample at stp has the same number of atoms as 18 liters of ne at stp