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
defon
3 years ago
15

An element has 4 protons, 5 neutrons, and 4 electrons. What is the atomic mass of the element

Physics
1 answer:
vfiekz [6]3 years ago
7 0
Beryllium: mass number of an atom = number of neutron + number of proton in the nucleus = 5+4=9
You might be interested in
7. How is the current found in a parallel circuit?
Naya [18.7K]

Answer:

the current in a parallel circuit is found by idk

Explanation:

4 0
3 years ago
Which of Newton's laws accounts for the following statement? "A force cannot act alone."
juin [17]
<span>"A force is required to cause motion to deviate from a straight line.</span>
8 0
3 years ago
Read 2 more answers
2. Draw a ray diagram that shows the image
Lunna [17]

you have to draw diagram

6 0
3 years ago
Marcus tells Sabrina that for the last few months, he has not been able to detect moderate heat or cold with his fingertips. Whi
hram777 [196]

Answer: The free ending nerves.

Explanation:

At our fingertips, we have a lot of sensory nerve endings, that give information about changes that occur at your skin.

Like touching something with a given texture, feeling pain, or noticing changes in temperature.

There are different types of nerve endings, particularly the ones responsible to detect pain, and temperature are the free nerve endings.

So Marcus may have the free nerve endings damaged.

4 0
3 years ago
A force of 90N is applied to each cart below, which one will accelerate the fastest?
siniylev [52]

Answer:

5kg

Explanation:

The cart with the least amount of mass will result in the fastest acceleration.

5 0
3 years ago
Read 2 more answers
Other questions:
  • A puck of mass 0.5100.510kg is attached to the end of a cord 0.827m long. The puck moves in a horizontal circle without friction
    13·1 answer
  • Biological systems use free energy based on empirical data that all organisms require a constant energy input. The first law of
    15·1 answer
  • A box is being pushed but two stellar science students, one on each side of the box. Peter is pushing box with a force of 10 N t
    15·1 answer
  • Propane (C3H8combines with oxygen gas (O2to form carbon dioxide (CO2and water (H2O). Describe the number and type of atoms for a
    8·1 answer
  • A boat crosses a river of width 244 m in which the current has a uniform speed of 1.99 m/s. The pilot maintains a bearing (i.e.,
    5·1 answer
  • An object is moving with the speed of light around the Earth. How much time will it take to complete one round trip along the eq
    14·1 answer
  • A block of mass m1 = 4 kg is moving at 4 m/s and collides with a block of mass m2 = 2 kg, which is moving at 5 m/s in the opposi
    10·1 answer
  • Use the worked example above to help you solve this problem. An Alaskan rescue plane drops a package of emergency rations to str
    6·1 answer
  • Which particles are located in the nucleus of the atom? (2 points)
    9·1 answer
  • Examples for each different examples force affects​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!