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Veseljchak [2.6K]
2 years ago
15

What is precipitate ​

Chemistry
1 answer:
natima [27]2 years ago
4 0

Answer:

cause something (a substance) to be deposited in solid form from a solution

Explanation:

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100 points!! Brainliest if correct!!
Nadya [2.5K]
Here is your answer

B. NaCl

_________________
In option A. Na isn't present.
In option C. there are two atoms of Na
So, option B is correct

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3 years ago
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Continental crust is younger than oceanic crust.
tankabanditka [31]

Answer:

The answer is true.

Explanation:

Hello! Let's solve this!

The answer is true.

When a crust undergoes great tension, a crack opens and the oceanic crust begins to form. As the crack enlarges, the continent is splitting. Thus an oceanic crust forms. So the oceanic crust is younger than the earth's crust.

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3 years ago
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All of the following show a periodic pattern except
AlekseyPX
<span>A. the dog ate everyone of his play toys</span>
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2 years ago
What type of bonds exists between neighboring water molecules?
Sindrei [870]

Answer:

covalent bonds

Explanation:

8 0
2 years ago
Which electron configuration represents an excited state for an atom for calcium
vaieri [72.5K]

The electron configuration that represent an excited state for an atom of calcium is 2, 8, 7, 3.

Calcium atom has an atomic number of 20 and its electronic configuration is 2, 8, 8, 2. An atom is said to be in an excited state if it gains energy and move to an higher energy level. For the calcium atom given above, there are 20 electrons which are distributed into four shells. But in the excited state [option 3], one of the 8 electrons in the third shell gains energy and move to the fourth shell. Thus, the number of electrons in the third shell reduced by 1, while the number of electrons in the fourth shell increase by 1.

5 0
3 years ago
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