3 Cu + 8HNO3
3 Cu(NO3)2 + 2 NO + 4 H20
In the above equation, how many grams of water can be made when 3.5 moles
of HNO3 are consumed?

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

catya your not at all which answer i've seen you do this on another question!