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wlad13 [49]
2 years ago
13

What’s the total charge of two nitrogen ions

Chemistry
1 answer:
Ganezh [65]2 years ago
8 0

Answer:

The nitrogen atom shares three bonding pairs and has one lone pair and has a total of 5 valence electrons.

Explanation:

Nitrogen - in its molecular elemental form, has an oxidation number of 0.

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Temka [501]

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Explanation:

Lightening is a phenomena which occurs due to electrostatic interaction between negatively charged ions and positively charged ions present in atmosphere.

Air is composed of various molecules of gases.

Answer 2: Third statement is correct.

Explanation:

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When food is broken down into simpler form during digestion, chemical change takes place. During digestions the chemical composition of food changes as it was broken down into simpler molecules.

5 0
3 years ago
10. On the basis of the general solubility rules given
Crank
I think it’s c but I could be wrong
3 0
3 years ago
Be sure to use proper significant figures. The molecular weight of NaCl is 58.44 grams/mole. To prepare a 0.50 M solution: You w
Misha Larkins [42]
Your answer would be,
Molarity = moles of solute/volume of solution we needed, 29.22(g)(mol) of NaCI

= 29.22(g)/58.44(g)(mol^-1)(1)/1(L)
= 0.500(mol)(L^-1)



Hope that helps!!!
5 0
3 years ago
Read 2 more answers
When balancing a chemical equation, what are the large numbers that we adjust?
Nata [24]

Answer:

Coefficients

Explanation:

Chemical equations are first written as a skeleton equation, which includes how many atoms each element and compound has. Skeleton equations are not 'balanced' because the number of atoms of each element on the left side (reactants) is not equal to the right side (products).

To balance a chemical equation, you can write coefficients in front of single elements and compounds. The coefficient multiplies with each single element and with each element in the compound.

For example, in this skeleton equation:

H₂ + Cl₂     =>       HCl

Reactants:          Products:

2 hydrogen         1 hydrogen

2 chlorine            1 chlorine

Write the coefficient 2 in the products.

H₂ + Cl₂     =>       2HCl

Now both reactant and product sides have 2 chlorine and 2 hydrogen, so the equation is balanced.

6 0
3 years ago
Chemicals A and B react according to the equation A + B → C. How will the concentrations of each component of the reaction chang
Firlakuza [10]
The concentration of a and b will decrease while c will increase provided all other physical quantities are kept constant in the reaction
7 0
3 years ago
Read 2 more answers
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