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pogonyaev
3 years ago
14

What is the atomic mass number for boron?​

Chemistry
1 answer:
Lynna [10]3 years ago
4 0

Answer:

the atomic mass number for boron is 5

Explanation:

hope it helps , pls mark me as brainliest

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Explanation:

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What is the noble-gas configuration for As​
jasenka [17]

Answer:

Noble gas Electronic configuration of arsenic:

As₃₃ = [Ar] 3d¹⁰ 4s² 4p³

Explanation:

Arsenic is metalloid.

Its atomic number is 33.

Its atomic mass is 75 amu.

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it is used in bronzing.

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Electronic configuration:

As₃₃ = Is² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p³

Noble gas Electronic configuration:

As₃₃ = [Ar] 3d¹⁰ 4s² 4p³

Noble gas electronic configuration is shortest electronic configuration by using the noble gas elements full octet electronic configuration.

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The quality or state of being volcanic.

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Volume would be 3.4 L
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