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Alona [7]
3 years ago
10

1. TRUE or FALSE: A COMPOUND CAN BE BROKEN DOWN INTO SIMPLER SUBSTANCE BY PHYSICAL MEANS

Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
7 0

Answer:

B. Istope

Explanation:

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3 years ago
2Na2SO4 :How many atoms for each element are in the formula?<br><br> S=<br> O=<br> Na=
yuradex [85]

Answer:

S=  2(1)  = 2

O=  2(4)  = 8

Na= 2(2)  = 4

Explanation:

The given compound is:

          2Na₂SO₄  

An element is a distinct substance that cannot be split up into simpler substances.

So;

  Number of atoms of elements here are:

S=  2(1)  = 2

O=  2(4)  = 8

Na= 2(2)  = 4

6 0
3 years ago
PLS HELP ME I HAVE TILL 12
MariettaO [177]

Answer:

alright bud lets see hmm.... the answer is a. 90.5kpa

Explanation:

92.3 kPa - 1.82 kPa = 90.5 kPa

keep up your hope also corrected me if a am wrong in anyway! :)

3 0
3 years ago
Which of the following is true about gravity? <br><br> Select all that apply.
Ivenika [448]

Answer:

its always attractive

Explanation:

pls follow me

5 0
2 years ago
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Help me, it’s pretty easy science moon stuff !
trasher [3.6K]
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Based on the information I received reading the picture, the answer should be “B”

Explanation: if I am wrong I’m very sorry. But that should be the answer
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