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Anettt [7]
2 years ago
9

What is the role of an electron in an atom?

Chemistry
1 answer:
tigry1 [53]2 years ago
8 0

Answer

Electrons live inside the nucleus and carry a neutral charge.

Explanation:

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Suggest the methods used to separate the following:
MArishka [77]

Answer:

Separation method for various ingredients are

1. Paneer from curdled milk.  - Filtration

2. Chalk powder from water.  - Filtration

3. Sand from salt solution. - Evaporation

4. Saw dust from water.  - Skim off, sieve or filter

5. Tea leaves from brew. - Filtration.

Explanation:

By the help of a muslin cloth the paneer is separated from the curdled milk, the process is called as the filtration. The paneer will remain in the cloth and curdled milk will be removed. Separation of chalk powder from water is very easy by the process of filtration, after the filtration the chalk powder retentate and the filtrate obtained is the water in absence of chalk.  Salt and sand water separation can be done with the help of evaporation. Separation of the saw dust from water takes place by the method of sieving or sedimentation. The tea leaves are separated from brew by filtration.

3 0
3 years ago
How many molecules of NaOH are in 23<br> moles of NaOH
Ann [662]
120 grams of NaOH means 3 Moles of NaOH because 40 grams (Molecular Weight in grams) is one mole of NaOH.

Each mole of any substance contain Avogadro’s number of molecules ie., 6.022 x (10 to the power 23).

Hence 3 Moles of NaOH contain 3 times of Avogadro’s number of molecules ie., 3 x 6.022 x (10 to the power 23)
3 0
3 years ago
To conclude through reasoning from something known or assumed is to ___.
sp2606 [1]
Is it to hypothesize?
6 0
3 years ago
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If you make a solution using 1.0 mol KBr in 1.0 kg water, how will the vapor pressure of this solution compare to the vapor pres
____ [38]

Answer:

it will be twice as large

5 0
2 years ago
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The unit used to measure the diameter of an atom is an?
ohaa [14]

Answer:

Atomic Radii

Have a great day!

6 0
3 years ago
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