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
nikklg [1K]
3 years ago
5

What is the mass number of an atom with 5 protons and 7 neutrons?

Physics
2 answers:
sergij07 [2.7K]3 years ago
8 0
Boron I think look at the periodic table
Alchen [17]3 years ago
3 0
Pretty close to 12 .
You might be interested in
Dans un tube en U contenant du mercure ,on verse de l'autre côté de l'acide sulfurique de densité 1,84 et de l'autre côté de l'a
Iteru [2.4K]

Explanation:

Unclear question. The clear rendering reads;

"Into a U-tube containing mercury, pour on the other side sulfuric acid of density 1.84 and on the other side alcohol of density 0.8 so that the levels are in the same horizontal plane. The height of the acid above the mercury being 24 cm. What is the height of the bar and what variation of the level of the acid, when the mercury density is 13.6?

6 0
3 years ago
Which has more volume feathers or rocks
Nataly_w [17]
Volume doesn't depend on what the substance is, only on how much of it there is.
5 0
3 years ago
According to newton's first law, what is required to make an object slow down?
Luden [163]
I believe it is friction

3 0
3 years ago
Read 2 more answers
The total mass of an object can be assumed to be focused at one point, which is called its center of _______. A. force B. veloci
QveST [7]
C.) <span>The total mass of an object can be assumed to be focused at one point, which is called its center of "Mass"

Hope this helps!</span>
4 0
3 years ago
Read 2 more answers
What is the mass of an object that weighs 686N on Earth?
Oxana [17]

Answer:

70 kg is the mass of the object

Explanation:

This question can be solved with this simple formula:

Weight force = mass . gravity

686 N = mass . 9.8 m/s²

686 N /  9.8 m/s² = mass → 70 kg

Note → 1N = 1 kg . m / s²

8 0
3 years ago
Other questions:
  • answers If the motor is to accelerate the elevator car upward at 1.8 m/s2, how much torque must it generate
    13·1 answer
  • The velocity of a boat with respect to the shore is 2 meters/second. The velocity of the water with respect to the shore is 1 me
    5·2 answers
  • A box is placed on a conveyor belt that moves with a constant speed of 1.05 m/s. The coefficient of kinetic friction between the
    10·1 answer
  • What does the statement “10 m/s to the north” describe? A. time B. velocity
    7·2 answers
  • •Would a moving fan have energy? Why or why not.
    14·1 answer
  • This political cartoon summarizes proposed legislation to stop immigration into the United States through the use of
    5·1 answer
  • An ac generator provides emf to a resistive load in a remote factory over a two-cable transmission line. At the factory a step-
    6·1 answer
  • What is the atomic number of an atom?
    9·1 answer
  • What are some human causes for global warming?
    10·1 answer
  • 1+1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1 +1+1+1+1+1
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!