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Ainat [17]
3 years ago
6

What is the relationship between protons and electrons in a neutral atom?

Chemistry
1 answer:
adelina 88 [10]3 years ago
4 0

Answer:

The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z). Hope this helps! PLEASE GIVE ME BRAINLIEST!!!!! =)

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A. Indicate whether the following descriptions refer to electrolytes or to non-electrolytes.
Leokris [45]

Answer:

1.non electrolytes

2.electrolytes

3.non electrolytes

4.electrolytes

5.electrolytes

6.electrolytes

Explanation:

electrolytes are substance in their molten form which can be decomposed by the passage of electricity exay includes acids,base and salts etc were as non electrolytes cannot be decomposed by the passage of electricity example alcohol,sugar organic solvents etc. Electrolytes in the body like potassium, sodium in their molten form helps to keep the electrical circuitry of the heart well

7 0
3 years ago
The chemical equation for the formation of ammonia is unbalanced.
galben [10]

Answer:

The answer to your question is 2 molecules

Explanation:

Unbalanced chemical reaction

                   H₂(g)   +   N₂(g)   ⇒   NH₃ (g)

         Reactants         Elements          Products

                2                      H                       3

                2                      N                       1

Balanced chemical reaction

                   3H₂(g)   +   N₂(g)   ⇒   2NH₃ (g)

         Reactants         Elements          Products

                6                      H                       6

                2                      N                       2

From the balanced chemical reaction we conclude that when 3 molecules of hydrogen react with one molecule of nitrogen, 2 molecules of ammonia will be formed.

4 0
4 years ago
Read 2 more answers
How many milliliters of a 0.223 M KNO3 solution contain 0.250 moles of KNO3?
anyanavicka [17]

Answer:

1121.08 millilitres of 0.223 M KNO_{3} solution contains 0.250 moles of KNO_{3}.

Explanation:

The formula for molarity of a solution:

Molarity=\frac{n}{V}\\ where,n=number\: of\:moles\\V=volume\:of\:solution\:in\:L

Molarity = 0.223 M

n = 0.250 moles

V=\frac{n}{Molarity}=\frac{0.250}{0.223}=1.12108L=1121.08mL

Therefore, 1121.08 millilitres of 0.223 M  KNO_{3} solution contains 0.250 moles of  KNO_{3}.

6 0
3 years ago
Answer from this picture.
Ganezh [65]
Try photo math it will probably be more helpful
7 0
4 years ago
Where are metals, nonmetals, metalloids, and the noble gases located on the periodic table?
Fofino [41]
Metals are on the left side of the table and nonmetals are on the left with metalloids between them. And the noble gases are all in group 18 of the periodic table.
6 0
3 years ago
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