Two atoms that are different isotopes of the same element have
1.The same number of protons and the same number of neutrons
2.The same number of protons but a different number of neutrons
3.A different number of protons but the same number of neutrons
4.A different number of protons and a different number of neutrons
Answers: 1
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (Ξ΄ch< (c14h10,s)=β7061 kj molβ1.)
Answers: 3
Chemistry, 22.06.2019 03:00
Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge
Answers: 1
Two atoms that are different isotopes of the same element have
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