1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dalvyx [7]
3 years ago
6

I need help with chemistry

Chemistry
1 answer:
Leona [35]3 years ago
6 0

Hey there!

Your answer is B. MgCl.

This is because this isn't an actual existing compound.

Water (H₂O) and magnesium chloride (MgCl₂) are both real compounds, but the number of electrons does not line up to make MgCl possible.

Hope this helps!

You might be interested in
Vibrations within the ________ are sent to the brain, where the sound is interpreted.
qwelly [4]
I think it's particles.
8 0
3 years ago
State the number of electrons that must be gained by atoms of each of the following elements to obtain a stable electron configu
Molodets [167]

Answer:

The answer to your question is below

Explanation:

a) CI Chlorine is located in group VIIA, so its must gain one electron to be stable.

b) Se Selenium is located in group VIA, it must gain 2 electrons to be stable.

c) N Nitrogen is located in group VA, it must gain 3 electrons to be stable.

d) I Iodine is located in group VIIA, so it must gain 1 electron to be stable.

e) S sulfur is located in group VIA, so it must gain 2 electrons to be stable.

8 0
3 years ago
For the same mixture, under the same conditions described in problem 7, calculate keq for 2nh3 (g) n2 (g) + 3h2(g). how is the k
nekit [7.7K]

<u>Answer:</u> The relation between the forward and reverse reaction is K_f=\frac{1}{K_r}

<u>Explanation:</u>

For the given chemical equation:

2NH_3(g)\rightleftharpoons N_2 (g)+3H_2(g)

The expression of equilibrium constant for above equation follows:

K_f=\frac{[N_2][H_2]^3}{[NH_3]^2}         .......(1)

The reverse equation follows:

N_2 (g)+3H_2(g)\rightleftharpoons 2NH_3(g)

The expression of equilibrium constant for above equation follows:

K_r=\frac{[NH_3]^2}{[N_2][H_2]^3}       .......(2)

Relation expression 1 and expression 2, we get:

K_f=\frac{1}{K_r}

Hence, the relation between the forward and reverse reaction is K_f=\frac{1}{K_r}

7 0
3 years ago
Identify the highlighted secondary lymphatic tissue located on the lateral wall of the oropharynx just inferior to the soft pala
Katena32 [7]

Answer:

The correct answer is - palatine tonsils .

Explanation:

Palatine tonsils or more normally tonsils are the pair of soft tissue masses of highlighted secondary lymphatic tissue present on the lateral wall of the oropharynx in the tonsilar fossa just below to the soft plate. It is the lymphatic tissue that is located to inferior to the soft plate.

Thus, the correct answer is - palatine tonsils.

6 0
3 years ago
How many equivalent resonance forms can be drawn for so2 without expanding octet on the sulfur atom? (sulfur is the central atom
jok3333 [9.3K]
2 resonance structure. 
O=S⁺-O⁻ and O⁻-S⁺=O, angles between S and O are 120°, bond order is 1,5.
4 0
3 years ago
Read 2 more answers
Other questions:
  • A chemical reaction can start when enough activation energy is added to the reactants. Do you think the activation energy for ch
    11·2 answers
  • What would indicate that a physical change takes place when copper is drawn into wire? Copper is heated, changing its molecular
    10·2 answers
  • For the reaction 8 H 2 S ( g ) − ⇀ ↽ − 8 H 2 ( g ) + S8 ( g ) 8H2S(g)↽−−⇀8H2(g)+S8(g) the equilibrium concentrations were found
    9·1 answer
  • Information that tells why or how something happens is (a):
    8·2 answers
  • Describe how the names of the nonmetal elements in Model 2 are changed when they are in their anion forms
    14·1 answer
  • Which describes Bohr’s contribution to the atomic model?
    7·1 answer
  • What will happen as the excited electron of arsenic atoms return to lower energy levels?
    9·1 answer
  • A block of material has a volume of 2 mº. It has a mass of 1 x 104 kg. Calculate the density of the materia
    8·1 answer
  • Sodium + sulfur → _________________________________
    14·2 answers
  • A 50.0 mL sample of 0.10 M potassium nitrate is mixed with 100 mL of 0.25 M magnesium nitrate. What is the final concentration o
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!