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nydimaria [60]
2 years ago
14

To see if it works like they want it to, engineers need to Question 3 options:

Chemistry
2 answers:
ziro4ka [17]2 years ago
4 0

Answer:

they need to do their research

MissTica2 years ago
3 0

Answer:

test their solution, so they'd be sure it would solve what they want it to solve and not cause more problems.

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Balance Na + SO3 = Na2SO3
Orlov [11]
2 Na + SO3 = Na2SO3

Na = 1
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Na2SO3 = 1

Na = 2
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Na2SO3 = 1

I hope this helps!!



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The valence shell can be define as the outermost shell of an atom that contains the valence electrons.

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Lithium (Li), electronic configuration; 1s2 2s1 = 1 electron in its valence shell.

Boron (B) , electronic configuration; 1s2 2s2 2p1 = 3 electron in its valence shell.

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