What particle determines an atom's identity and never changes?

The volume of the gas at a temperature of 50 Kelvin on this scale is closest to 0 cubic centimeters 5 cubic centimeters 50 cubic centimeters 300 cubic centimeters 500 cubic centimeters

Is it better to have lightbulbs in a parallel circuit or a series circuit

What are the fixed energies of electrons called

An object has a constant momentum of 2.45x10^2 kg m/s. Determine the momentum of the object if its mass decreases to 1/3 of its original value?

How much force does it take to accelerate a 50.8 kg person at 3.50 m/s^2?

Why can't conductors generate static electricity when rubbed together?

How would you classify an EM wave with a frequency of 10 7 Hz

A charge of 50 µC is pushed by a force of 25 µN a distance of 15 m in an electric field. What is the electric potential difference?

A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 58.8 m/s^2. The acceleration period lasts for time 8.00 s until the fuel is exhausted. After that, the rocket is in free fall.

Why are tyres of formula one is different from four wheels drive?