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Sergio039 [100]
3 years ago
6

In the ground state, which atom has a completely filled valence electron shell?

Chemistry
1 answer:
Elina [12.6K]3 years ago
4 0

Answer:

The noble gases(neon, helium, argon)

Explanation:

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Convert 7.1x10^25 molecules of water to moles
ruslelena [56]

Answer:

<h2>117.94 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{7.1 \times  {10}^{25} }{6.02 \times  {10}^{23} }  \\  = 117.940199...

We have the final answer as

<h3>117.94 moles</h3>

Hope this helps you

8 0
2 years ago
Compare a mixture and a compound. How are they alike?
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Explanation:

8 0
3 years ago
Which of the following elements would be predicted to be the best conductor of electricity? sodium (Na) germanium (Ge) sulfur (S
lubasha [3.4K]
Na because its a metal. Metals are the best conductors. S and Ne are nonmetals. and Ge is a metalloid. (Metalloids are semi conductors)
4 0
3 years ago
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A balloon containing 0.0400 mol of a gas with a volume of 500 mL was expanded to 1.00 L.
ANTONII [103]

Answer:

b

Explanation:

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3 years ago
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Micronutrients can be classified based on the presence of ______ in their chemical structures. According to this classification
natali 33 [55]

Answer:

Carbon

Explanation:

Micronutrients include elements or groups needed by the body in order to survive. These elements or groups include vitamins and minerals.  Micronutrients can be divided into four categories:

1. water-soluble vitamins

2. Fat-soluble vitamins

3. Macrominerals

4. Trace minerals

8 0
3 years ago
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