The majority of elements found in the periodic table can be classified as what

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it