Chemistry, 12.10.2020 18:01 willwhitlock803
He model below shows a calcium atom.
An image has a mix of red and blue balls in its center and 4 concentric black rings around the center. The first ring from the center has 2 small green balls on it. The second ring has 8 small green balls on it. The third ring has 8 small green balls on it. The outermost ring has 2 small green balls on it.
How many electrons are in the third energy level?
2
8
18
20
Answers: 3
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Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass
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For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
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Which electron configuration represents the electrons in an atom of sodium in the ground state at stp
Answers: 1
Chemistry, 22.06.2019 23:00
What element has similar physical and chemical properties as boron.
Answers: 1
He model below shows a calcium atom.
An image has a mix of red and blue balls in its center and 4 c...
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