What do two or more atoms form when they share electrons in a chemical bomd

Describe how sediments are produced by weathering and erosion

A gas at 300 k and 4.0 atm is moved to a new loacation with a temperature of 250 k. The volume changes from 5.5 L to 2.0 L. What is the pressure of the gas at the new location?

Why are carbon compounds that contain mercury and a greater environment concern than elemental mercury? ... ?

What does a steam engine do? A. Steam enters a cylinder and pushes a piston. B. Steam causes wheels to turn. C. Steam expands and spins an axle. D. Steam turns a turbine.

What is the mass of a 12.31 cm3 piece of copper having a density of 8.96 g/cm3?

How does an atom with too few neutrons relative to protons undergo radioactive decay? * by converting proton to a neutron by converting a neutron to a proton by emitting an alpha particle

What is the chemical formula for the compound formed between sodium and iodine?

8. Write a balanced chemical equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, and Cas.

Is calcium carbonate a compound element or mixture?

Why do covalent bonds not involve the transfer of electrons