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Mariulka [41]
3 years ago
12

What is the lowest energy level that contains d orbitals? O A. 4 O B. 3 O C. 2 D. 1

Chemistry
1 answer:
vladimir1956 [14]3 years ago
8 0

Answer:

I believe it 3

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Many children are uncomfortable around white lab coats. Specifically explain why this occurs in what a doctor or dentist could d
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Answer:

Sanitize

Explanation:

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2 years ago
Lewis is making a model of the Earth-Moon system. He knows that the diameter of the Earth is about four times greater than the d
Leno4ka [110]
D. this is the correct answer because the question is showing a comparison of sizes rather than the actual sizes which eliminates B. A and C have no relevance.
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2 years ago
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Which of the following polyatomic ions will form an ionic compound with two sodium ions? CO32− HCO31− NO21− NO31−
BaLLatris [955]

Answer:

CO32−

Explanation:

We have to consider the valencies of the polyatomic ions involved. Recall that it is only a polyatomic ion with a valency of -2 that can form a compound which requires two sodium ions.

When we look closely at the options, we will realize that among all the options, only CO32− has a valency of -2, hence it must be the required answer. In order to be double sure, we put down the ionic reaction equation as follows;

2Na^+(aq) + CO3^2-(aq) ---------> Na2CO3(aq)

8 0
3 years ago
The air all around us is a mixture of gasses containing nitrogen, oxygen, carbon dioxide, argon
KiRa [710]

Answer:

Total pressure = 4.57 atm

Explanation:

Given data:

Partial pressure of nitrogen = 1.3 atm

Partial pressure of oxygen = 1824 mmHg

Partial pressure of carbon dioxide = 247 torr

Partial pressure of argon = 0.015 atm

Partial pressure of water vapor = 53.69 kpa

Total pressure = ?

Solution:

First of all we convert the units other into atm.

Partial pressure of oxygen = 1824 mmHg / 760 = 2.4 atm

Partial pressure of carbon dioxide = 247 torr / 760 = 0.325 atm

Partial pressure of water vapor = 53.69 kpa / 101 = 0.53 atm

Total pressure = Partial pressure of N +  Partial pressure of O +  Partial pressure of CO₂ +  Partial pressure of Ar +  Partial pressure of water vapor

Total pressure = 1.3 atm + 2.4 atm + 0.325 atm + 0.015 atm + 0.53 atm

Total pressure = 4.57 atm

4 0
3 years ago
A(n) _____ is an organic compound that contains a nitrogen atom bonded to one, two, or three carbon atoms.
Katyanochek1 [597]

Tertiary Amine

          The reason Why it is Tertiary Amine is because it has three carbons and one nitrogen. 

7 0
2 years ago
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