Smoking marijuana can be unhealthy as smoking cigarettes and

Covalent bonds hold atoms together because they ___ Covalent bonds hold atoms together because they ___. (a) fill shells without giving atoms much charge. (b) bring electrons closer to protons.

1. What does the - ite or - ate ending in a polyatomic ion mean? a. Oxygen is in the formula. b. Sulfur is in the formula. c. Nitrogen is in the formula. d. Bromine is in the formula. 2. Which of the following is the corect name for N2O5? a.

The main active components of bleach and many other household cleaners are salts. neutral. acids. bases.

The process by which water is moved and changed through the earth is called

A pet owner dropped some new fish into a pond. Several species of fish lived in the pond, but within a few months, only members of the new species survived. What best explains why this happened?

How does a solute differ from a solvent?

When Arti kicks a football, two forces interact. Arti's foot exerts a force of 5N on the ball. What size force will be exerted on Arti's foot?

People can increase water conservation by eating more food drinking more water taking longer showers reducing water pollution

What is the value of work done on an object when a 70-newton force moves it 9.0 meters in the same direction as the force? A. 7.8 joules B. 6.3 * 102 joules C. - 7.8 joules D. 0 joules

Identify the three essential components of an electrical circuit