For instance, if you consider the different molecules of gas that exist separately as the air you breathe
4. Welders use helium (He) and argon (Ar) gases to blow over the metal during the welding process. Why would they want to use these gases?
5. If 10 atoms of magnesium (Mg) and 10 atoms of chlorine (Cl) could bump into each other, could they combine to form a substance? ______________How many molecules would be made? ________________________Would there be any atoms left over? __________________________Which ones? ______________How many? ________________________
6. My friend, the inventor, says that she has just made a translucent, light-weight metal by combining aluminum with helium and silicon. She wants me to invest $10,000 in the process and promises that we will be millionaires in only six months. What do you think I should do? Why?__________________________________________________________________________________________________________________________________________________
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