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LUCKY_DIMON [66]
3 years ago
15

In the space provided, for each element, type the ionic charge of an atom with a full set of valence electrons. Then, type the n

ame of the noble gas with the same electron configuration. Type in the following order: charge, then noble gas. For example, chlorine (atomic number 17) has an ionized charge of 1-, and the noble gas with the same electron configuration is argon.
11. lithium (atomic number 3)
12. oxygen (atomic number 8)
13. aluminum (atomic number 13)
Chemistry
1 answer:
kobusy [5.1K]3 years ago
3 0

11. ionic charge +1, helium.

12. ionic charge 2-, neon.

13. ionic charge 3+, neon.

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How many grams of sodium chloride are required to make a 1.0 L solution with a concentration of 3.5 M?
satela [25.4K]
3.5 M has 3.5 moles per litre
so we have one litre, so we need 3.5 moles
moles = mass/molarmass
3.5 * 23 = 80.5
5 0
3 years ago
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If three molecules of hydrogen react with one molecule of nitrogen, how many molecules of ammonia would be formed?
joja [24]

Answer:

The answer to your question is 2 molecules, or B(edg 2021).

Explanation:

edg 2021

8 0
3 years ago
How many grams are in 4.5 moles of NaF?
Ilia_Sergeevich [38]

Answer:

3139542g

Explanation:

That's because if you talk about

4.5

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6 0
2 years ago
Calculate the molarity of a solution with 114.95 grams of sodium dissolved in 2 L of water. ​
koban [17]

Answer:

The molarity of a solution is 2.5 M

Explanation:

Molarity is a concentration unit that describes how much of a solution is dissolved in solution.

Molarity of a solution can found by using the formula,

Molarity (M) = (moles of solute)/(Liters of Solution).

Given, mass of Sodium = 114.95 grams.

Volume of water = 2 L.

Here, Sodium is solute as it is dissolved in water, which is the solvent.

Moles of Sodium(solute) can be found by using the formula,

Number of Moles = mass/Molecular weight.

mass of Sodium = 114.95 grams.

Molecular weight = 22.989 grams

Number of Moles of Sodium(solute) =114.95/22.989 = 5.

Substituting the values in the formula, we get,

M = 5/2 = 2.5 M

3 0
3 years ago
All organic compounds contain ______, hydrogen, and usually oxygen. nitrogen. phosphorus. sulfur carbon.
Murrr4er [49]
Carbon is the answer. all hydrocarbures have to contain carbon.
4 0
3 years ago
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