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3 years ago

7

If there is a chemical change it will remain the same properties because a new substance was formed

1 answer:

rewona [7]3 years ago

5 0

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Giving brain thing.

Over [174]

I think the correct answer is C

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3 years ago

How many moles of copper are present in a sample that contains 4.55 x 10^24 atoms of copper

FinnZ [79.3K]

Hope you could understand.

If you have any query, feel free to ask.

3 0

2 years ago

A substance that loses electron and itself is oxidized is called a?

Verdich [7]

Answer:

oxidation-reduction or redox reaction

Explanation:

n

8 0

3 years ago

Read 2 more answers

Write the ground state electron configuration of zn using the noble-gas shorthand notation.

V125BC [204]

Atomic Number of Zinc is 30, means it contains 30 electrons. So, its electronic configuration is as follow,

1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰
As,
1s², 2s², 2p⁶, 3s², 3p⁶ = Argon
So,
Electronic configuration of Zinc in shorthand notation is as follow,

[Ar] 4s², 3d¹⁰

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3 years ago

Which is false HCI + CaCO3

tekilochka [14]

Answer:

CaCO3 is false

Explanation:

Because HCl is hydrongen chloride

7 0

3 years ago