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faltersainse [42]
3 years ago
7

Which of the above electron dot diagrams is wrong and why?

Chemistry
2 answers:
Firlakuza [10]3 years ago
8 0

Answer:here is ur answer...

Explanation:4)Oxygen O because it is supposed to have 6 valence electrons. .

Elodia [21]3 years ago
5 0

Answer:

Oxygen, it's supposed to have six valenge electrons.

Explanation:

Count the dots on the oxygen atom, you'll see seven, but there's supposed to be six.

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0.00632 into a scientific notation
ddd [48]

Answer:

6.32 × 10⁻³

3.2560008× 10⁷

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Explanation:

Scientific notation is the way to express the large value in short form.

The number in scientific notation have two parts.

The digits (decimal point will place after first digit)

× 10 ( the power which put the decimal point where it should be)

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0.00632

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In scientific notation  = 5.630× 10⁰

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6 0
3 years ago
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lisabon 2012 [21]

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2) deuterium (₁²H), with mass number 2 (one neutrons, n° = 2 -1, n° = 1).

3) tritium (₁³H), with mass number 3 (two neutrons, n° = 3 -1, n° = 2).

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3 years ago
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