Silicon sodium krypton potassium. which has the least metalic character

State the right hand rule of the direction of magnetic field in a conductor carrying current

Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?