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Ghella [55]
3 years ago
11

What would be the electron configuration of a sulfur ion S−2?

Chemistry
2 answers:
MAVERICK [17]3 years ago
4 0

It's either B or C heh

vodka [1.7K]3 years ago
3 0
I think it should be C. i hope this helps!!
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A solution is prepared by adding 100 mL of 1.0 M HC2H3O2 (aq) to 100 mL of 1.0 M NaC2H3O2 (aq). The solution is stirred and its
DIA [1.3K]

Answer:

(C) H3O+(aq) + C2H3O2−(aq) -> HC2H3O2(aq) + H2O(l)

Explanation:

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3 years ago
Calculate the molecular weight of chalk.write any two advantages of mandeleev's periodic table?
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Part (a):
Chalk has the chemical formula: CaCo₃
From the periodic table:
mass of Ca = 40 grams
mass of Co = 58.9 grams
Therefore:
molecular weight of chalk = 40 + 3(58.9) = 216.7 grams

Part (b):
Advantages of M<span>andeleev's periodic table:
1- Could predict the properties of elements easily based on its position in the periodic table
2- Elements were arranged systematically in order of increasing atomic mass which helped in the study and classification of elements
3- Even after the discovery of noble gases, no major changes needed to be done to the periodic table. Noble gases were inserted easily
4- He left room for other undiscovered elements based on his systematic approach in writing the table

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3 years ago
Which of the following extends the furthest away from us?
vlada-n [284]

Answer:

A

Explanation:

The galaxy is the biggest thing and we're inside of it and the solar system is inside of it and inside the solar system is Jupiter and Tampa is on earth

5 0
2 years ago
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Which of the following statements concerning ionic compounds is
rewona [7]

Answer:

A

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Ionic compounds are solids when at room temperature

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Explanation:

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