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soldier1979 [14.2K]
3 years ago
6

I need help with this question please!!

Chemistry
1 answer:
mariarad [96]3 years ago
3 0
The answer is B

Hope this helped. Good luck!
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Help please
Mars2501 [29]

Answer:

electron cloud charge of manganese=-5

Explanation:

atomic number=number of elecron +neutron number

DATA

Neutron NO.=30

atomic NO.=25

e=?

A=e+n

25=e+30

e=25-30

e= -5

6 0
2 years ago
1. Which statement describes the properties of both elements that have just one valence electron and elements that have seven va
FromTheMoon [43]
Q1. They are highly reactive. Q2. High reactivity, nonmetallic. Q3. Oxygen has an ion charge of -2. Q4. LiCl I believe. Q5. How electrons are shared. Q6 1. Q7. Share 2 valence electrons, I believe.
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3 years ago
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If a nucleus of an atom has 12 protons, how many electrons are there
harkovskaia [24]
If its sodium it would have 11 electrons
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3 years ago
Explain how dalton's theory of the atom and the conservation of mass are related
Scorpion4ik [409]

Answer:

Dalton's atomic theory states that atoms may be mixed in certain rations to produce compounds, while the law of conservation of mass states that the mass of reactants equals the mass of products. They are related because in the production of compounds, Dalton made it clear that mass can neither be destroyed or created, which supports the conservation of mass law.

Explanation:^^^

Hoped it helped...

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2 years ago
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