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WINSTONCH [101]
3 years ago
9

How much potassium chlorate would dissolve in 200g water at 20°C?​

Chemistry
1 answer:
DedPeter [7]3 years ago
6 0

Answer:

14 solubility in 200 gram of water at 20 c

Explanation:

Hope this helped, and pleas mark as Brainliest :)

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Which element has exactly five electrons in the highest principal energy level (the outer shell)?
kap26 [50]
Boron (B) has 3 electrons in the outer shell.
Barium (Ba) has 2 electrons.
Phosphorus (P) has 5 electrons.
Manganese (Mn) has 2 electrons.

The answer is C) P (phosphorus).
4 0
3 years ago
A. Identify which sets of quantum numbers are valid for an electron. Each set is ordered (n,ℓ,mℓ,ms).
Butoxors [25]

Answer:

a. Values are - (1) 3,1,-1,1/2        (2) 2,1,-1,-1/2       (3) 3,0,0,1/2    (4) 4,3,3,-1/2

(5) 3,2,2,1/2

b. Order be- I > Sn > Xe

Explanation:

a.

Valid quantum numbers are -

'l' value should be less than 'n' value and 'ml' value should be '-l' to 'l'

'ml' value should not more than 'l' or 'n'.

Values are -

3,1,-1,1/2

2,1,-1,-1/2

3,0,0,1/2

4,3,3,-1/2

3,2,2,1/2

b.

Given that-

I [Kr]4d¹⁰5s²5p⁵

Sn [Kr]4d¹⁰5s²5p²

Xe [Kr]4d¹⁰5s²5p⁶

Order be-

I > Sn > Xe

Xe is least because it is completely filled outer shell (5s²5p⁶

4 0
3 years ago
Which group will have an electron configuration that ends in s2?
Step2247 [10]
<h2>Answer:   c . Alkaline earth metals (Group 2)</h2>

<h3>Explanation:</h3>

Group 2 metals have 2 electrons in their outer shell. These two electrons are usually found in the s orbital, hence the s².

8 0
2 years ago
CHEM HELP PLZZZZ!!!!!
earnstyle [38]

Answer:

1. acid

2. neutral

3. acid

4. base

5. acid

6. base

7. neutral

8. acid

9. base

10. base

Explanation:

I'm not 100 percent positive about number three but the rest I believe are correct

3 0
3 years ago
Read 2 more answers
Please help me with this question
natka813 [3]

Answer:

B

Explanation:

3 0
3 years ago
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