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
sertanlavr [38]
3 years ago
6

Question 8 (1 point) How many protons are in an element with an atomic number of 8 and a mass number of 18? a 3 b 8 c 10 d 18

Physics
1 answer:
yarga [219]3 years ago
6 0

Answer: B - 8

Explanation: 8 protons because number of protons is equal to number of atoms in the nucleus.

You might be interested in
For a vehicle to negotiate a banked curve in poor weather conditions, where the force of friction f = 0, for a given velocity v
djverab [1.8K]

Answer:

R=240m

Explanation:

From the question we are told that:

Velocity v=25m/s

Force of friction f = 0

Angle \theta=15

Generally the equation for  Radius of curvature is mathematically given by

R=frac{v^2}{tan\theta *g}

R=frac{25^2}{tan 15 *9.81}

R=240m

7 0
3 years ago
PHYSICAL SCIENCE HELP PLEASE !!!!! Picture below is for question 4
Eva8 [605]

Question 1) excited and moving around a lot.

Question 2) heat

Question 3) specific heat

Question 4) As temperature increases, energy transferred increases.

Hope these answers help!

3 0
3 years ago
Formula for weight on moon compared to weight on earth​
Rzqust [24]

Weight on moon = (0.16) • Earth weight

7 0
3 years ago
If an piano and an apple are dropped in a tunnel without air.which would hit the ground first
liq [111]

Answer:

the piano.

Explanation:

4 0
3 years ago
In order to design an experiment you need a ____ about the scientific question you are trying to answer
s2008m [1.1K]

C Hypothesis. It is the correct answer.

6 0
3 years ago
Read 2 more answers
Other questions:
  • What kind of thermal transfer 1.conduction 2.convective 3.radiation from the sun?
    15·1 answer
  • In a nuclear power plant, the nuclear reaction is kept from going critical by keeping the rate of reaction safe.
    15·1 answer
  • a rock is tied to the end of the string and swung in a circle with a radius of 1/2 meter. if the rock goes around once in 1/10 o
    14·1 answer
  • Can objects in a system have momentum while the momentum of the system is zero? explain your answer.
    12·1 answer
  • Please help on this physics question
    15·1 answer
  • Infer whether a system can have kinetic energy and potential energy at the same time
    7·1 answer
  • I am the distance between waves what am l<br>​
    8·2 answers
  • A turntable with a rotational inertia of 0.0120 kg∙m2 rotates freely at 2.00 rad/s. A circular disk of mass 200 g and radius 30.
    15·1 answer
  • YOU GUYS!!!!! I HAVE TO TURN IN A POWERPOINT IN 30 MINUTES! HELP!!!!!! WHEN WAS PLASMA ADDED AS A STATE OF MATTER?!?!?!?!
    9·2 answers
  • When 150 joules of work is done on a system by an external force of 15 newtons in 20. seconds, the total energy of that system i
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!