Which of the following is a characteristic of an ionic compound?

it can be a solid, liquid, or gas.
it has a low melting point.
it is made of a metal and a nonmetal.
it is formed when atoms share electrons.

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

To a of 4 x hz is 1. 0. mm nm nm