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
mars1129 [50]
3 years ago
6

A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?

Chemistry
1 answer:
UNO [17]3 years ago
5 0

name= calcium

atomic mass= 40.078 atomic mass unit

no of protons= 20

no of electrons=20

You might be interested in
What is the correct corresponding values of potassium
Tomtit [17]

Answer:

The reference ranges for blood potassium levels are as follows : Adult/elderly: 3.5-5.0 mEq/L or 3.5-5.0 mmol/L (SI units) Child: 3.4-4.7 mEq/L. Infant: 4.1-5.3 mEq/L.

Explanation:

6 0
3 years ago
Which compound has the highest percent composition by mass of strontium
8090 [49]
So if the compound has the smallest gram formula mass it has the highest percentage composition by mass of strontium
3 0
3 years ago
Type the chemical name of the compound that contains 1 copper atom, 1 oxygen
Bas_tet [7]

Answer:

Copper (I) hydroxide

Explanation:

Copper (I) hydroxide is a chemical compound with the chemical formula of CuOH. One copper atom (Cu), one oxygen atom (O), and one hydrogen atom (H.)

4 0
3 years ago
Can anybody help me with these 2 ohms law
Fynjy0 [20]

Answer:

1

yywhhwhwhwysuiwjwcwcwfwhwuwiwioowow

3 0
4 years ago
7. Buffalo were moved from Yellowstone National Park because
STALIN [3.7K]

Answer:

they had killed other animals

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the molar of mass of copper (II) sulfate CuSOu?
    14·1 answer
  • Following the procedure, a student recorded the initial volume of NaOH in his buret as 2.82 mL. He then titrated a 15.00 mL samp
    11·1 answer
  • Check all the examples below that represent a physical property of matter​
    12·2 answers
  • A beaker with 135 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjug
    13·1 answer
  • How does technology help scientists know more about the atom
    9·1 answer
  • Two students prepared aqueous solutions of LiCl and measured the properties, as shown in the table above. Both students observed
    14·1 answer
  • Drag the slider from January to December. Based on what you observe, do you think Barcelona has large temperature changes throug
    14·1 answer
  • What is the volume of a 56g sample with a density of 2.5 g/ml?
    12·1 answer
  • vIt is the middle of winter when you go to the store to buy some balloons for a birthday party. After you get to your car with t
    13·2 answers
  • How are communication signals on the ground sent to spacecraft?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!