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
vredina [299]
3 years ago
7

How many dots belong in the electron dot diagram of a boron (B) atom?

Chemistry
2 answers:
Contact [7]3 years ago
8 0
There are three dots in a boron atom.
Pachacha [2.7K]3 years ago
5 0

Answer:

There are <u>three dots</u> in the Lewis dot diagram of boron atom.

Explanation:

Boron is a chemical element that belongs to the group 13 and period 2 of the periodic table. It is a p-block element having atomic number 5.

The <u>ground state electronic configuration </u>of boron is 1s² 2s² 2p¹. So, in the ground state, the boron atom has <u>3 valence electrons</u> in the valence shell.

The Lewis dot structure represents the number of valence electrons of an atom by dots.

<u>Therefore, there are three dots in the Lewis dot diagram of boron atom.</u>

You might be interested in
Elaborate on the nuclear model of the atom.
GarryVolchara [31]

Answer:

D

Explanation:

The nuclear model of the atom was proposed by Ernest Rutherford.

In his submission, the atom consists of a dense positive nucleus with electrons moving round this nucleus as planets move round the sun. He likened his model to the solar system. The nucleus is at the center of this system just as the sun is at the center of the solar system.

4 0
3 years ago
4. How many moles of KBr are found in 3 Liters of 0.4 M solution?
Allisa [31]

There are 1.2 moles of KBr found in 3 Liters of 0.4 M solution.

<h3>HOW TO CALCULATE NUMBER OF MOLES?</h3>

The number of moles of a substance can be calculated by multiplying the molarity by the volume.

No. of moles = Molarity × volume

According to this question, 3L of a KBr solution are contained in a 0.4M.

no. of moles = 3L × 0.4M = 1.2moles

Therefore, there are 1.2 moles of KBr found in 3 Liters of 0.4 M solution.

Learn more about no. of moles at: brainly.com/question/14919968

4 0
2 years ago
Draw the structure(s) of all of the possible monochloro derivatives of 2,4-dimethylpentane, c7h15cl.
pishuonlain [190]

The monochloroderivatives will be obtained by substituting chemically non equivalent hydrogen with chlorine atom, one by one

So the possible monochloro derivatives of 2,4-dimethylpentane (figure 1) are shown in figure (2)




7 0
3 years ago
Boron sulfide, B2S3(s), reacts violently with water to form dissolved boric acid (H3BO3) and hydrogen sulfide gas.Express your a
ioda

Answer:

Explanation:

From the statement of the problem,

  B₂S₃_{s} + H₂O_{l}  →  H₃BO₃_{aq} + H₂S_{g}

              B₂S₃ + H₂O  →  H₃BO₃ + H₂S

We that the above expression does not conform with the law of conservation of mass:

To obey the law, we need to derive a balanced reaction equation:

   Let us use the mathematical method to obtain a balanced equation.

let the balanced equation be:

                        aB₂S₃ + bH₂O  →  cH₃BO₃ + dH₂S

where a, b, c and d will make the equation balanced.

  Conservating B: 2a = c

                          S: 3a = d

                          H: 2b = 3c + 2d

                           O: b = 3c

   if a = 1,

      c = 2,

      b = 6,

      2d = 2(6) - 3(2) = 6, d = 3

Now we can input this into our equation:

                     B₂S₃ + 6H₂O  →  2H₃BO₃ + 3H₂S

    B₂S₃_{s} + 6H₂O_{l}  →  2H₃BO₃_{aq} + 3H₂S_{g}

4 0
3 years ago
10 + 32 -6=any one?​
Kryger [21]

Answer:

Your answer will be 36

Explanation:

10+32=42

42-6=36

3 0
3 years ago
Other questions:
  • In the reaction, 3Cu + 2Al3+ → 3Cu2+ + 2Al, which substance is being oxidized?
    6·1 answer
  • PLEASE NO GUESSES OR INCORRECT ANSWERS
    10·1 answer
  • Identify possible products of dehydrohalogenation of trans-1-bromo-2-methylcyclohexane
    13·1 answer
  • A mineral that helps in clotting of blood________.
    7·2 answers
  • What type of reaction is 3 and 4 ?
    11·2 answers
  • If the temperature at the surface of the ocean increases, how does the carbon dioxide dissolved in the sea water change?
    7·1 answer
  • A volume of 0.550 L of gas is contained at 23.0°C. What is the new volume of the gas if it is heated to 57.°C. Assume that the p
    10·1 answer
  • What is the electron configuration for fluorine?
    13·2 answers
  • His sphere is home to the largest portion of animal life on Earth.
    12·2 answers
  • Help me!<br>I need some quick answers pls​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!