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
gogolik [260]
3 years ago
8

What is the atomic mass of an atom that contains 21 protons, 21 electrons, and 25 neutrons

Chemistry
1 answer:
dybincka [34]3 years ago
8 0

44.95591 atomic mass units

Have a Merry Christmas!

You might be interested in
To measure the temperature of water in a chemistry expierment You should use the Fahrenheit scale. True or false
jeyben [28]
False. hope that helped
8 0
3 years ago
If light is what is virtually the fastest thing ever then how can the dark keep up with it?
Sav [38]
Dark is just absence of light like if the re container a and container b u nee to pour hcl from a to so a has hcl while b has absence of hcl

tell me if u need more examples.hope it helps

5 0
4 years ago
Force LaTeX: F=maF = m a
olganol [36]
The answer is false because a building is heavier
5 0
3 years ago
Read 2 more answers
What is the percentage by volume of 30.0 mL ethanol (C2H6O) dissolved in 150.0 mL water (H2O)?
NeX [460]

Answer: 16.7 %

Explanation:

\frac{30.0}{150.0+30.0}=\boxed{16.7\%}

5 0
2 years ago
Look at the electron-dot diagram. What type of bond would two sulfur atoms require to form a molecule?
Blababa [14]

Answer:

Double Covalent

Explanation:

When two of the same element combine it will always be a covalent bond between them and since sulfur has two lone electrons it will make a double bond between the two to have a full octect

4 0
3 years ago
Other questions:
  • What is the role if DNA in determining an organism's traits
    8·1 answer
  • Looking for a bf ( NO REPORT Fr )
    9·2 answers
  • The level of water in an olympic size swimming pool (50.0 meters long, 25.0 meters wide, and about 2.00 meters deep) needs to be
    8·1 answer
  • 3 facts about transfer of enegry
    12·2 answers
  • If the half-life of 37Rb is 4.7x101 years, how long would it take for 0.5 grams of a 2 gram sample to radioactively decay?
    13·1 answer
  • Na S (1) + CdNO3 (1) ➡️ Cds (s) + 2 NaNO3 (1) is which type of reaction?
    6·1 answer
  • Which is not one of the parts of the cell theory.
    12·1 answer
  • What is one effect of the uneven heating of Earth caused by the Sun? (Answer with a 5 sentence paragraph)
    13·1 answer
  • Sodium is an alkali metal that reacts violently with water. Calculate the total number of atoms in a 58.2 grams sample of sodium
    6·1 answer
  • Number of oxygen atoms in 16 g of So2??<br>​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!