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
yarga [219]
4 years ago
5

A mass spectrometer has determined the mass and abundances of all isotopes of an unknown element. The first isotope has a mass o

f 38.96amu (93.28%) and the second a mass of 40.96amu (6.72%). Calculate the average atomic mass and identify the unknown element, WRITE ONLY THE SYMBOL FOR YOUR ANSWER.
Chemistry
1 answer:
shepuryov [24]4 years ago
5 0

Answer:

I believe it is Potassium (K)

Explanation:

I did the math on a calculator and it was the closest atomic mass to potassium.

You might be interested in
Two cars, car A and car B, have equal mass. Which car has the greater kinetic energy if both cars have the same velocity?
Dafna1 [17]
Theyre the same amount of kinetic energy
3 0
3 years ago
Read 2 more answers
At its closest approach to the sun, Pluto is less than 30 AU from the sun. Because Pluto is approaching that point now, which pl
MA_775_DIABLO [31]
Neptune: its the 8th planet and since Pluto isn't a planet anymore Neptune is the farthest planet from the sun with a distance of around 2.8 billion miles (4.5 billion km) or (30.07 AU)
6 0
3 years ago
Help help help help help
luda_lava [24]

The sum is 34.688 m.

If m is a variable, then the m would be attached to 34.688.

7 0
3 years ago
Read 2 more answers
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional
rosijanka [135]

Answer:

Coal mining can compromised a lot of our resources one of it is the soil. It is because it eliminates the nutrients of the soil that can affect the vegetation, it destroys the wildlife and habitat. Also, it changes permanently the topography of the area mined.

Explanation:

edge 2020 just did it

4 0
3 years ago
1. What is the meaning of Avogadro's number?
Andrej [43]

Answer

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

4 0
3 years ago
Other questions:
  • Which of the compounds, C3H8, mgcl2, OCl2 are expected to exist as molecular compounds?
    11·1 answer
  • Calculate number of moles of 4.4g of CO2 and 5.6L of NH3 . Pls help . Its urgent
    5·1 answer
  • I need help on this question on my Chemistry Final Exam Practice Sheet !<br> 50 POINTS
    5·2 answers
  • Compare an electrically neutral atom of oxygen and an isotope of oxygen. in own words
    12·2 answers
  • How does the energy of electrons change as you move far away from the nucleus
    8·2 answers
  • Newly hatched sea turtles immediately run towards water and begin swimming.
    6·1 answer
  • In order to scale a recipe, one must
    6·1 answer
  • Why is Hydrogen-2 a heavier isotope than Hydrogen-1?
    6·1 answer
  • The SI unit of heat energy is<br> British Thermal unit<br> Joule<br> all of the above<br> Calorie
    15·1 answer
  • Which of the following is the correct way to do it for 3753 Scientific notation
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!