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BARSIC [14]
2 years ago
9

I need help with these two if you zoom in it’s clearer

Chemistry
1 answer:
makvit [3.9K]2 years ago
3 0

Answer:

It looks alittle dark can you fix it?

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__________ have an electric charge of -1.60 × 10-19 C (-e).
nignag [31]

Answer:

Electrons have an electric charge of -1.60 × 10-19 C

Explanation:

Neutrinos and Neutrons have 0 e charge.

Protons have an electric charge of 1.60 × 10-19 C

Historically, electrons were assigned a negative charge

6 0
2 years ago
In each of the following blanks, only enter a numerical value.
tatiyna

Answer:

1) 1,... 2

2) 18

3) n= 3 and I=1

Explanation:

1) when l= 0, its an s-sub-level, and only 1 orbital is possible which can carry only 2-electrons

2) the maximum number of electron is given by 2n^2= 2×3^2= 18

3) in 3p, the coefficient of p is the value of n= 3 and l-value of P is 1

5 0
2 years ago
Pls help me. Show proof on why it’s that answer.
natulia [17]
The answer is “the sustainability of the ecosystem” because if the ecosystem isn’t sustainable enough for many different organisms to live in it then the biological diversity of the ecosystem will decrease.
6 0
2 years ago
Which substance can not be broken down by a chemical change
tangare [24]
Well, an element is a substance that cannot be decomposed into a simpler substance by chemical change, so element is the answer you are probably looking for! Hope this helps!
7 0
3 years ago
Will the composition of water molecules vary depending on their source?
Alecsey [184]

Answer:

It does not matter where the sample of water came from or how it was prepared. Its composition, like that of every other compound, is fixed.

6 0
2 years ago
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