What is important about the properties of a substance that has undergone a chemical change?

2 answers:

8 0

The substances created during chemical reactions, on the other hand, do not simply revert to their initial state. The most essential thing to remember is that the makeup of a material does not change when it undergoes a physical change, but it does change when it undergoes a chemical change.

photoshop1234 [79]3 years ago

4 0

Answer:

the most important thing for you to remember is that in a physical change composition of a substance does not change and in a chemical change the composition of a substance does change

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6th grade science i will give brainliest

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3 years ago

Why do atoms become anion and cations (remember the octet rule and how 8 is a very important number)?

Kryger [21]

Answer:

The atoms become cations because they have lost electrons and the atoms and has a positive charge then atoms become a ions because they have gained electrons from cations and has a negative charge

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3 years ago

Which answer best describes what is happening in the following reaction?

NISA [10]

A. This is not a redox reaction. It is an example of combustion.

<h3>Combustion reaction of hydrocarbon</h3>

During the combustion of a hydrocarbon, the hydrocarbon reacts with oxygen to create carbon dioxide, water, and heat.

<h3>Example of combustion reaction</h3>

2C8H18 + 25O2 → 16CO2 + 18H2O

Thus, we can conclude that, this is not a redox reaction. It is an example of combustion.

Learn more about combustion here: brainly.com/question/9425444

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2 years ago

What is the electron configuration for magnesium (Mg)?

AveGali [126]

Magnesium has atomic no 12

Electronic configuration given by

1s²2s²2p⁶3s²

[Ne]3s²

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2 years ago

A substance containing atoms of different elements that are bonded together is called a(n):

ser-zykov [4K]

Answer:Molecules

Explanation:

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4 years ago