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
mamaluj [8]
3 years ago
11

7. What does the mass for each element on the periodic table represent:

Chemistry
1 answer:
____ [38]3 years ago
8 0

Answer:

A

Explanation:

The mass number (represented by the letter A) is defined as the total number of protons and neutrons in an atom. Consider the table below, which shows data from the first six elements of the periodic table. Consider the element helium. Its atomic number is 2, so it has two protons in its nucleus.

You might be interested in
Temperature is a measure of how much heat you have in, or around you. is it true or false
allochka39001 [22]

Your answer is

true

hope it helps you

7 0
3 years ago
During photosynthesis, plant cells use sunlight as an energy source; animal cells cannot do this. What substance do Animal cells
8090 [49]

Answer:

Chlorophyll

Explanation:

Photosynthesis is the process through which plant cells use carbon dioxide & water to create oxygen & energy rich organic compounds. They do so by converting sunlight ie light energy into chemical energy. This is possible due to presence of chlorophyll in them. Animals can't do so, as they dont have chlorophyll.

6 0
3 years ago
What best describes a solution ?
topjm [15]
A solution is the answer to a problem
8 0
4 years ago
Read 2 more answers
I will give brainliest to correct answer - no links
WINSTONCH [101]

Answer:

C - 23cm

Explanation:

6 0
3 years ago
Read 2 more answers
Which of the following is not a negative consequence of upward urban growth?
Anestetic [448]

Answer:

D. Waste management issues

Explanation:

Answer A: The five major types of pollution - water pollution, air pollution, land pollution, light pollution, noise pollution - have negative effects on the environment, on human health, and our planet as a whole.

Answer B: Urban Heat Island (UHI) is an urban area that is significantly warmer than its surrounding rural areas due to human activities. UHI decreases air quality.

Answer C: The increased use of surrounding land is the main cause of biodiversity loss.

Answer D: Any field of environmental management help people to solve pollution problems. So, D is the correct answer.

....

Hope this answer can help you. Have a nice day!

8 0
3 years ago
Other questions:
  • A car moving south speeds up from 10 m/s to 40 m/s in 15 seconds. What is the car’s acceleration?
    7·2 answers
  • The reaction to prepare methanol from carbon monoxide and hydrogen ‍ is exothermic. If you wanted to use this reaction to produc
    5·1 answer
  • What is science ? what is its formula<br>​
    13·1 answer
  • 23. A neutralization reaction between an acid and a base always produces
    10·2 answers
  • According to the authors, the most effective means of developing _______________ are instrumental chemistry, microscopy, photoma
    7·1 answer
  • When a entire species perishes the species becomes
    10·2 answers
  • The Lewis dot diagram for LiBr
    9·1 answer
  • Element X has two isotopes. One has a mass of 45.0 amu and is 45.0% abundant. The other has a mass of 47.0 amu and is 55.0% abun
    10·1 answer
  • Which is an example of a compound?<br> 1. Gold<br> 2. Iodine<br> 3. Water<br> 4. Sand
    5·1 answer
  • you have a sample of.neon gas that you want to use to.make a glowing sign. you investigate that the gas sample is at 45c and has
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!