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yuradex [85]
2 years ago
8

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Chemistry
2 answers:
andrezito [222]2 years ago
5 0
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katrin2010 [14]2 years ago
3 0

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100 points !!!! Write your answer beside each number. You should have 13 items labeled in all.
Arte-miy333 [17]

Answer:

Explanation:

1) Valence electrons

2) Electrons

3) 2 electrons on K-shell

4) 8 electrons on L-Shell

5) 18 electrons on M-shell

6) nucleus

7) Proton

8) neutron

9) principal energy level

10) atomic number

11) symbol of the atom

12) name of the atom

13) atomic mass

5 0
3 years ago
What mass of potassium chloride, KCl, is produced when 12.6 g of oxygen, 02, is produced?
blagie [28]

Mass of KCl= 19.57 g

<h3>Further explanation</h3>

Given

12.6 g of Oxygen

Required

mass of KCl

Solution

Reaction

2KClO3 ⇒ 2KCl + 3O2

mol O2 :

= mass : MW

= 12.6 : 32 g/mol

= 0.39375

From the equation, mol KCl :

= 2/3 x mol O2

= 2/3 x 0.39375

=0.2625

Mass KCl :

= mol x MW

= 0.2625 x 74,5513 g/mol

= 19.57 g

4 0
2 years ago
PLEASE ANSWER I WILL MAKE BRAINLIEST!!!
tangare [24]
Using an example like Christmas lights, I would say yes because normally a lot of them would go out if one light is broken.
3 0
2 years ago
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How cows are contributing to climate change.​
AnnyKZ [126]

Answer:

they are apart of the life cycle

Explanation:

7 0
3 years ago
I need help with this asap
stealth61 [152]

Answer:

Are less reactive

Explanation:

Alkaline-earth metals are to the right of alkali metals.

5 0
2 years ago
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