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Brilliant_brown [7]
4 years ago
12

these elements are the least likely to become involved in chemical reaction a) alkali metals b) halogens c) noble gases d) trans

ition metals e) rare earth metals
Chemistry
2 answers:
VikaD [51]4 years ago
8 0
Noble gases hardly ever participate in chemical reactions because they already have 8 valence electrons and are the most stable among other elements.

Therefore, C. noble gases is the correct answer.

Hope this would help~
Ksivusya [100]4 years ago
3 0
Noble Gases because their outer ring of electrons is full. Their full outer ring make it harder for the electrons to pull apart because their charge keeps them closer together.
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Please help I’ll mark brainliest. Thank you :)
Jobisdone [24]

Answer:

a. There are only 5 electrons in 2p. 2p should be filled with 6 electrons prior to 3s and 3p

b. There are 8 electrons in 2p. 2p should be filled only with 6 electrons (not 8)

Explanation:

The typical electron configuration: 1s2 2s2 2p6 3s2 3p6

a. There are only 5 electrons in 2p

=> should be 1s2 2s2 2p6 3s2 3p2

b. There are 8 electrons in 2p

=> should be 1s2 2s2 2p6 3s2 3p1

6 0
2 years ago
A carbon atom can form four covalent bonds. How many valence electrons does it have?
pshichka [43]

If a carbon atom can form four covalent bonds, it also has four valence electrons. For neutral atoms, the number of valence electrons the same as an atom's main group number.

8 0
3 years ago
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dezoksy [38]

Answer:

they must be heated

Explanation:

3 0
4 years ago
How many moles of O2 would be needed to produce 3.2 moles Fe2O3?
antiseptic1488 [7]

Answer:

0.533 mol O2

Explanation:

4 Fe3O4 + O2 -> 6 Fe2O3

1 mol O2  -> 6 mol Fe2O3

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x = (3.2 mol Fe2O3 * 1 mol O2)/ 6 mol Fe2O3

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4 0
4 years ago
How is glucose created in plants? Read the choices, select the correct statement.
zhenek [66]

Answer:

the awnser is A

Explanation:

6 0
3 years ago
Read 2 more answers
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