Which pair of elements is most similar?

Na and CI

Li and Ne

Co and

Ne and Ar

How much force (in N) is exerted on one side of an 16.2 cm by 22.9 cm sheet of paper by the atmosphere

As light from air to water to glass, it will refract. The best explanation for this would be

Generally you must stir a can of paint before you use it ... is paint miscible or immiscible? explain

We weigh less in water than in air. Why?

Phase Angles: Consider a series circuit in which the capacitive reactance equals the inductive reactance. What is the phase angle between current and voltage for this circuit

If you put in 10 J of work to push 1 c of charge against and electric field what will be its voltage with respect to its starting position? when released, what will be it's kinetic energy if it flies past it's starting position?

The process of changing the energy of a system by means of force. Force * Diatance

A gnat takes off from one end of a pencil and flies around erratically for 18.6 seconds before landing on the other end of the same pencil. If the gnat flew a total distance of 7.15 meters, and the pencil is 6.

An apple falls from an apple tree growing on a 20° slope. the apple hits the ground with an impact velocity of 16.5 m/s straight downward. what is the component of the apple's impact velocity parallel to the surface of the slope?

Objects falling through the air experience a type of friction called air resistance. true or false