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
Fofino [41]
2 years ago
15

6) What is the electron configuration of an atom in its ground state with a

Chemistry
1 answer:
Alla [95]2 years ago
3 0

Answer: B

2s2 = 2 valence e-

2p5 = 5 valence e-

This will be 7 valence electrons

You might be interested in
WHAT IS THE STOCK NAME FOR FeSO^3
podryga [215]
Feso3 compound name

Iron(II) Sulfite FeSO3 Molecular Weight

Hope this helps!

Have a great day :)
4 0
3 years ago
How much ch2o is needed to prepare 445 ml of a 2.65 m solution of ch2o?
worty [1.4K]

Answer: 35.4 grams

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.

Molarity=\frac{n\times 1000}{V_s}

where,

Molality = 2.65

n= moles of solute =?

 V_s = volume of solution in ml = 445 ml

Putting in the values we get:

2.65=\frac{n\times 1000}{445ml}

n=1.18

Mass of solute in g=moles\times {\text {molar mass}}=1.18mol\times 30.02g/mol=35.4g

Thus 35.4 grams of CH_2O is needed to prepare 445 ml of a 2.65 m solution of CH_2O.

8 0
2 years ago
How many atoms are equal to 1.5 moles of hellium
ANTONII [103]

Answer:

There are 1.8×1024 atoms in 1.5 mol HCl

Explanation:

6 0
2 years ago
Read 2 more answers
SI unit for measuring distance is
MrMuchimi
The SI unit for measuring distance is the meter.
I attached a table of SI measurements for you :)
Hope this helped!

6 0
3 years ago
7. What is the molarity, M, of the dilution solution of KBr, given:
sineoko [7]

Answer:

Hello There!!

Explanation:

I believe the answer is c. Volume of the dilute solution is 100.00 mL.

hope this helps,have a great day!!

~Pinky~

7 0
2 years ago
Read 2 more answers
Other questions:
  • 35mL of acid with an unknown concentration is titrated to completion using 63mL of 3.0 MNaOH.
    7·1 answer
  • Why do atoms of elements take part in chemical reaction?​
    15·1 answer
  • 30. What is the Bronsted base of H2PO4- + OH- ⟶HPO42- + H2O?
    8·1 answer
  • Which of the following pairs of reactants is not correctly listed with its product solution? A. Weak base-strong acid reactants—
    7·2 answers
  • Why is sugar soluble in water while oil cannot form a solution?​
    13·2 answers
  • Which statement concerning spontaneous chemical reactions is true?
    8·1 answer
  • What is importance of thermometer?​
    5·1 answer
  • True or False - Changing the temperature will not affect the pressure of the mixture?
    6·2 answers
  • In an exothermic reaction, chemical energy is converted to _____.
    6·2 answers
  • (This question was deleted last month)
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!