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Serga [27]
2 years ago
7

A substance is made up of 78.57% boron and 21.43% hydrogen. What is the formula for this compound?

Chemistry
2 answers:
solong [7]2 years ago
8 0
Alllll wrong I don’t
zhuklara [117]2 years ago
7 0

Anlllllllllllllllllll

Explanation:

fgghhjklljhhcxcvbn

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Answer: I think G.

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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.

Its symbol is As.

It is usually present in combine with sulfur and metals.

it is used in bronzing.

It is also used for hardening.

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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Explain what helps convert non-rich oxygen blood cells back to oxygen rich cells?
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