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Citrus2011 [14]
2 years ago
15

Valence electrons are determined by the...

Chemistry
1 answer:
Marysya12 [62]2 years ago
4 0

Explanation:

A) Highest occupied energy level and Group Number.

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Write an equation that shows the formation of a chromium(ii) ion from a neutral chromium atom.
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The   equation  that  shows  the  formation  of  chromium (ii) ion  from  neutral  chromium  atom  is  as  follow
Cr ---> cr^2+   +  2e-
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While exploring on your grandfathers farm, you find a layer of charcoal that might represent a campfire built by Native American
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Compare and contrast the concepts of average mass and relative mass. Which one is more accurate, and why? Why is the one you did
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Answer:

Relative and average atomic mass both describe properties of an element related to its different isotopes.

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3 years ago
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How many valence electrons does calcium want to gain or lose to have a full outer shell?
grandymaker [24]

Explanation:

For example, Identify the number and type of ions formed in a reaction of calcium and carbon. Step 1: Determine the number of valence electrons for each element and whether the element loses or gains electrons. Calcium has 2 valence electrons and is a metal so it will give up two electrons.

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Which general equation shows a Single-displacement reaction?
Stella [2.4K]
Hello! The answer is D

A good note for these is when there are three elements, one being a singular element and another a compound and there’s a single switch, this could show a single-displacement

Have a good day gamer.
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