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olganol [36]
2 years ago
11

Chemistry neeeeeeed help!

Chemistry
1 answer:
ryzh [129]2 years ago
8 0
<h3> <u>ANSWER</u> </h3>

4. O²-

<h3><u>EXPLANATION</u> </h3>

O²- has 16 electrons while Ne has 18 electrons. O²- is a molecule that has one electron added to each atom, meaning that there are two extra electrons which makes O²- the same electron configuration as of Ne atom.

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What are observations that indicate a chemical change has occurred ?
sukhopar [10]

Answer:

Change of odor

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Change in temperature

Change in energy

Change of composition

Formation of gases

The decomposition of organic matter

The Change is irreversible

4 0
3 years ago
I need to write down like meanings in those words. Please help!!
ser-zykov [4K]

Answer:

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Hope this helped!!!

3 0
3 years ago
True or False : An object can be in motion and not in motion at the same time depending on which frame of reference you are comp
marshall27 [118]

Answer:

True

Explanation:

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3 0
2 years ago
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Firdavs [7]

Answer:

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Explanation:

8 0
3 years ago
How is chemical change different from a physical change?
natka813 [3]

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5 0
3 years ago
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