10 points You will need to refer to your periodic table to answer this
question. Which of these groups (columns) in the periodic table is made
up primarily of elements that are gases at room temperature?"
Group 1
Group 2
O Group 17
O Group 18

the answer would be   dignified - apex

beta is electron from nucleus

something from nucleus has changed, but charge must be same for cons of charge

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

the answer to this is proletariats.

hope this : )