what did henry moseley determine that contributed to understanding the
atom?
a. that each element has a different number of isotopes.
b. that each element has a different number of protons.
c. that each element has a different number of neutrons.
d. that each element has a different number of electrons.

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned