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mihalych1998 [28]
3 years ago
5

A neutral atom becomes a positive ion when it

Chemistry
2 answers:
Alexeev081 [22]3 years ago
8 0

Answer:

Neutral atoms can be turned into positively charged ions by removing one or more electrons.

Explanation:

If there is an atom that has 9 protons and 9 electrons, removing an electron from the atom will gain a postive charge.

melamori03 [73]3 years ago
7 0
When an electron is loss
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Chlorine formula is CI2
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CHEM HELP PLEASE (:<br><br> How many grams do <br> 1.3 x 10^21 atoms of sodium weigh?
Yuliya22 [10]

1.3 x 10^21 atoms Na is 4.63230769231 mol Na

4.63230769231 mol Na * 23g/mol Na = 106.543076923g

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3 years ago
Which substance is a compund
Oxana [17]
Answers:
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  1)   [D]:  " CO₂ " .  

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7 0
3 years ago
(23.4m)(14m) rounded off to the correct number of significant figures
VARVARA [1.3K]

The value of the given expression up to correct significant figures is 330 m^2.

  • The rule that applies for the multiplication and division is :

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.

  • The rule that applies for the addition and subtraction is :

The least precise number present after the decimal point determines the number of significant figures in the answer.

Given:

The expression: (23.4m)(14m)

To find:

The answer up to correct a number of significant figures.

Solution

Number of significant figures in '23.4' = 3

Number of significant figures in '14' = 22

=(23.4m)(14m)\\=(23.4m)\times (14m)\\=327.6 m^2

The number with the least significant figures is '14' is 2, so the answer will be reported up to 2 significant figures:

=327.6 m^2\approx 330 m^2

Number of significant figures in '330' = 3

The value of the given expression up to correct significant figures is 330 m^2.

Learn more about significant figures here:

brainly.com/question/11904364?referrer=searchResults

brainly.com/question/17177568?referrer=searchResults

 

5 0
2 years ago
A girl kicks a soccer ball. It goes 10 feet and comes back to her. How is this possible?
rosijanka [135]

Answer:

Gravity!

Explanation:

She kicked it up. The ball comes back due to gravity.

Nice riddle!

Have a great day!!

7 0
3 years ago
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