If I have 450 grams of Iron, how many moles of Iron do I have

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

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

ok whats the question if not i cannot you i need question and need a thing to answer

b.false that your answer