5. Use the atomic number, atomic mass, and symbol of the elements to indicate the number of subatomic particles in an atom of the following elements:
a) electrons in oxygen
b) electrons in Li
c) protons in Na
d) protons in helium

What effect does nuclear radiation have on atoms?

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

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.