Which statement best describes the relationship between boron and silicon?

During which type of change can the atomic number of an atom change? A. Chemical B. Physical C. Phase D. Nuclear

The electric field associated with a uniformly charged hollow metallic sphere is the greatest at:

What is the acceleration experienced by a car that takes 10 s to reach 27 m/s from rest?

51 Mm is how many km?

Which sentences describe the cyclone device? A cyclone device accumulates fine particulates from the air by making a dirty air stream flow in a spiral path inside a cylindrical chamber.

An originally stationary car with a mass of 1500 kg which velocity of 15 m/s, five second after starting. What is the car's acceleration? How much force was required to reach this acceleration

8. A force of 80 pounds on a rope is used to pull a box up a ramp inclined at 100 from the horizontal. The rope forms an angle of 330 with the horizontal. How much work is done pulling the box 25 feet along the ramp?

How many neutrons does element x have if its atomic number is 54 and its mass number is 151?

43 miliohms plus 270000 kiliohms

Why are the coldest places on earth found near the poles