How can an atom that has seven valence electrons complete its outermost level

Which of the following properties of water allows an insect to "walk on water"? A) Capillary action B) Cohesion C) Adhesion D) Density

Which of the following is an example of positive acceleration? Q A boy running from his house around the block and ending up back home. A car slowing down as he turns left around a curve. A track star speeding up as he sprints to the finish line.

How much energy must be absorbed by water with a mass of 0.5 kg in order to raise the tempature from 30 degrees celcius to 65 degrees celcius?

What is the balanced chemical equation for the reaction between iron (II) oxide and hydrogen gas that produces metallic hydrogen and water

1 l of gas at standard temperature and pressure is compressed to 473ml. what is the new pressure of the gas?

Calculate the molar solubility of ag2so4 in each solution below. the ksp of silver sulfate is 1.5 * 10-5. (a) 0.36 m agno3: (b) 0.36 m na2so4:

Which statement best illustrates why carbon is so important to living things? a. Carbon occurs as a solid, a liquid, and a gas. b. Carbon is found in both the living and nonliving worlds. c. Carbon is stored in large quantities in fossil fuels. d.

How do astronomers explain the formation of the milky way galaxy

1 What characteristic of an element determines how its atoms can bond with other atoms?

The law of conservation of mass states that during a chemical reaction, total mass is