If an isotope of nitrogen has a mass number of 15 and an atomic number of 7, how many subatomic particles are in the nucleus?

If you cut a metal cube into four pieces, do the new pieces have a different mass than the original cube? Do the new pieces have a different density than the original cube?

Do atoms with the same outer level electrons pattern have similar properties

In severe head-on automobile accidents, a deceleration of 60 g's or more (1 g 5 32.2 ft/s2) often results in a fatality. What force, in lbf, acts on a child whose mass is 50 lb, when subjected to a deceleration of 60 g's?

Two pieces of metal with exactly the same mass are placed on a surface in bright sunlight. The temperature of the 1st block increases by 3°C while the temperature of the 2nd increases by 8°C. If the specific heat of the 2nd block is 0.

Why do dio say the world

Identify what is required to calculate the atomic number and atomic mass of an element

What device is used to measure the current in a circuit

A lever allows a 35 N load to be lifted with a force of 7 N. What is the mechanical advantage of the lever?

An object moves from the position + 16m to the position + 43m in 12s. What us the total displacement

Which factor is most important in determining climate? A. Longitude B. Latitude C. Rainfall D. Temperature