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mina [271]
3 years ago
6

Compare and contrast chemical change and physical change.

Chemistry
1 answer:
Nadusha1986 [10]3 years ago
8 0
Physical involves changes that you can observe and describe matters. 

Chemical involves the chemical reaction.
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3 0
2 years ago
How many electrons are there in an atom of carbon?​
Mashutka [201]

Answer:

if its a neutral atom there should be 6 electrons because there are 6 protons

Explanation:

8 0
2 years ago
The density of an object with a volume of 5.0mL and a mass of 20.0g is ____________.
Lina20 [59]

whenn you have sublimation

6 0
3 years ago
Read 2 more answers
A scientific experiment must be
Blababa [14]
Repeatable

If it’s repeatable and you get the same answer constantly then it’s a good and accurate experiment
6 0
3 years ago
Please help!
Arada [10]

Answer:

The answer is NO

Explanation:

In every compound, the sum of oxidation number between the elements is 0.

  • In NO, nitrogen acts with +2 and oxygen as usual acts with -2
  • In N₂O₃, nitrogen acts with +3 and oxygen, -2
  • In NO₂, nitrogen acts with +4, and oxygen -2
  • In N₂O, nitrogen acts with +1, and oxygen -2
8 0
3 years ago
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