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Marianna [84]
3 years ago
15

Please Help. Thank You!

Chemistry
1 answer:
natka813 [3]3 years ago
5 0
1: An atom is nuclear energy that is extremely small. It is the smallest unit of matter that forms a chemical element. It is the building block for all matter in the universe. They are made up of even smaller particles. Particles that make up an atom are electrons, neutrons, and protons.
2. What’s different inside of an atom to make them into different elements is that the number of protons in an atom is the defining feature of an atom. This is what makes a element different from another.

Hope this helps!!
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In need of help very soon please.
NemiM [27]

Answer:

hello, i hope this helps.

Explanation:

1 - group

2 - period

3 - periodic table

4 - family

5 - octet rule

6 - valence electrons

6 0
2 years ago
When performing your experiment, you add your first drop of oleic acid/benzene solution, and a lens forms immediately. what is w
trasher [3.6K]

What's wrong with this setup is the substrate on which you have positioned the drop is "dirty and unclean" meaning it is not being dampened by the solution. This action can be corrected by comprehensively cleaning the substrate where the drop will be positioned.

7 0
2 years ago
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How many moles of HCl are present in 4.7 L of a 4.23 M HCl solution?
REY [17]

Hey There!

Volume = 4.7 L

Molarity = 4.23 M

Therefore:

n = M *V

n = 4.23 * 4.7

n = 19.881 moles of HCl

hope this helps!

6 0
3 years ago
Compare and contrast epithelial and muscle.
jekas [21]

Answer:

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Explanation:

6 0
2 years ago
This formula equation is unbalanced.
Afina-wow [57]
The balanced equation will read:

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have a great day!!
6 0
3 years ago
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