Why are atoms in a covalent bond usually a certain distance away from each other?

What Compounding frequency refer to?

Consider the earth-moon system, the solar system, the galaxy and the universe. which is largest?

According to the circular-flow model, which do producers provide to consumers?

On a violin, the highest note Mandy can play is an A-note, which produces a sound wave with a high frequency. The lowest note she can play is a G-note, which has a low frequency.

A block of wood has a mass of 120 g and a volume of 200cm what is the density of the word

In a research facility, a person lies on a horizontal platform which floats on a film of air. When the person's heart beats, it pushes a mass m of blood into the aorta with speed v, and the body and platform move in the opposite direction with speed

What are some ways the oceanic crust and the continental crust are alike?

Why is gangue sometimes reprocessed.

4.7 cm. The tube is sealed at one end and loaded with lead shot to give it a total mass of M = 130 g. The tube floats in water (of density 1 g/cm3) in vertical position, loaded end down.

Why is it incorrect to say that vascular tissue, gametophytes, and fronds are all found mosses