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Reil [10]
3 years ago
12

I WILL RATE BRAINLIEST!!

Chemistry
2 answers:
aivan3 [116]3 years ago
8 0
80 protons + 120 neutrons = 200
You're right. The mass number is 200.
Taya2010 [7]3 years ago
3 0
The answer is 200 for sure!!!!!
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arsen [322]
Answer:
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Water is formed when two hydrogen atoms bond to an oxygen atom. The hydrogen and the oxygen in this example are different A) com
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3 years ago
O2- is the Lewis ______ in the following reaction
matrenka [14]

O^{2-} is the Lewis base in the following reaction:

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<h3>What is lewis base? </h3>

Lewis base is a species that donates an electron pair.

In the above-given chemical equation, the O^{2-}is the lewis base which is donating an electron pair to the central atom of SO_3 to form SO_4^{-2}.

Hence, O^{2-} is the Lewis base in the following reaction:

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Learn more about the lewis base here:

brainly.com/question/15570523

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3 0
1 year ago
Which tool is used to hold workpieces tightly so that both of your hands can be free to work on them? A. Snap-ring pliers B. Nee
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8 0
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Read 2 more answers
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