8. If an atom contains 12 protons and 10 neutrons, what's its mass number?

A. 2

B. 10

C. 12

D. 22

What it's mass number?

What is the mass of an object with a momentum of 250 kgm/s and a velocity of 5 m/s?

What is electrotherapy?

A car engine applies a force of 65 kN how much work is done by the engine as it pushed a car distance of 75m?

A uniform solid disk and a uniform ring are place side by side at the top of a rough incline of height h. If they are released from rest and roll without slipping, determine the velocity vring of the ring when it reaches the bottom.

Calculate the missing angles in the following diagram if the index of refraction is 1.00 outside the triangular block and 2.42 inside the block. 34° angle of incident 17 angle leaving - - -

Which statement describes how light behaves when it strikes a translucent material? A. Light is scattered. B. Light is transmitted. C. Light is reflected. D. Light is absorbed.

A certain gas is present in a 15.0 l cylinder at 2.0 atm pressure. if the pressure is increased to 4.0 atm the volume of the gas decreases to 7.5 l.

Choose all the answers that apply. To qualify as a planet, a celestial object must: have an irregular shape revolve around the sun orbit in a clear area have enough gravity to have a spherical shape have a satellite

Oxygen makes up the largest part of living cells at 65%. What is the percentage of the second-most abundant element in living cells?

Acceleration is defined as the rate of change for which of the following? A. time B. velocity C. position D. displacement