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Varvara68 [4.7K]
3 years ago
6

Ccxxxxxxxxxxxxxxxxwerthjkmnbvcdsw345yujk,mnbgfrertyhn bvfe

Chemistry
1 answer:
Airida [17]3 years ago
4 0

Answer:

rffiwofjowiaoijgoiaroiia

Explanation:

Translation^:

What are you trying to say??

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How many bonds are present in HCI?<br><br> a) 1<br> b) 3<br> c) 4<br> d) 2
damaskus [11]

Answer:

D

Explanation:

H is hydrogen

Cl is chlorine

5 0
3 years ago
Read 2 more answers
Perform the given operation and report the answer with the appropriate number of significant figures. 4.910 km - 0.08 km = ?
Digiron [165]

Answer:

4.83 km

Explanation:

Let's consider the following subtraction.

4.910 km - 0.08 km

For an addition or a subtraction, the rule for significant figures is as follows: <em>limit the reported answer to the rightmost column that all numbers have significant figures in common</em>, in this case, 2 figures after the decimal point.

4.910 km - 0.08 km = 4.83 km

5 0
3 years ago
Which atom has the lowest(smallest) ionization energy?<br> A. Na<br> B.K<br> C. Me<br> D. Ca
serious [3.7K]
K. Ionization energy increases as you go up and to the right, and k is the furthest left and furthest down
7 0
3 years ago
Noble gas compounds like KrF, XeCl, and XeBr are used in excimer lasers. Draw an approximate molecular orbital diagram appropria
Aneli [31]

Answer:

Here's what I get.

Explanation:

The MO diagrams of KrBr, XeCl, and XeBr are shown below.

They are similar, except for the numbering of the valence shell orbitals.

Also, I have drawn the s and p orbitals at the same energy levels for both atoms in the compounds. That is obviously not the case.

However, the MO diagrams are approximately correct.

The ground state electron configuration of KrF is

(1\sigma_{g})^{2}\, (1\sigma_{u}^{*})^{2} \, (2\sigma_{g})^{2} \, (2\sigma_{u}^{*})^{2} \, (3\sigma_{g})^{2} \,  (1\pi_{u})^{4} \, (1\pi_{g}^{*})^{4} \, (3\sigma_{g}^{*})^{1}

KrF⁺ will have one less electron than KrF.

You remove the antibonding electron from the highest energy orbital, so the bond order increases.

The KrF bond will be stronger.

6 0
4 years ago
What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 5.0 cm 3 ?
Georgia [21]

Answer:

5.0g/cm^3

Explanation:

Since we have the mass of the wood (25.0g) and the volume of the wood (5.0cm^3), can use the formula for density to answer this question.

Density=mass/density

Density=25.0g/5.0cm^3

Density=5.0g/cm^3

Therefore, the density of the piece of wood is 5.0g/cm^3.

I hope this helps!

7 0
3 years ago
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