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Art [367]
3 years ago
13

Oxygen and Oxygen Ionic or Covalent? Defense how do you know

Chemistry
2 answers:
Marat540 [252]3 years ago
8 0

Answer:

oxygen are covalent bonds because they require 2 more electrons to obtain their octet shell

so when they combine with any other element, they form a covalent bond

Komok [63]3 years ago
5 0

Explanation:

Oxygen requires two shared electrons to fill its outermost shell therefore to covalent bonds form.

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The mass of a deuterium nucleus 21H is less than its components masses. Calculate the mass defect.________ amu
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Answer:

The mass defect of a deuterium nucleus is 0.001848 amu.

Explanation:

The deuterium is:

^{A}_{Z}X \rightarrow ^{2}_{1}H  

The mass defect can be calculated by using the following equation:

\Delta m = [Zm_{p} + (A - Z)m_{n}] - m_{a}

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Then, the mass defect is:

\Delta m = [1.00728 amu + (2- 1)1.00867 amu] - 2.01410178 amu = 0.001848 amu

Therefore, the mass defect of a deuterium nucleus is 0.001848 amu.

I hope it helps you!  

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