How many moles are in 1.0 * 10^9 atoms

What two particles account for almost all of the mass of an atom

Number the steps for balancing equations: Use coefficients to increase the atoms on each side. Check to make sure you have the same number of each type of atom on each side. Count the atoms on each side. Identify the atoms on each side. opit 1 2 3 4

Why does a collision with an air bag the cause less damage than collision with a steering wheel

Which of the following is a chemical change? A.) A mixture of sulfur and iron filings are heated until the contents glow red and the appearance of the mixture changes. A magnet can no longer remove iron filings. B.

A gas contained in a piston cylinder assembly undergoes a process from state 1 to state 2 defined by the following relationship and given properties. Determine the final volume (V2) of the gas. P*V

What are some facts about the element Rutherfordium

Luis set a glass of ice water out side is the sunshine. when he looked at the glass 10 minutes later, the contents had changed. what kind of change happened to the ice water? A. evaperation B. conduction C. chemical change d. sudden change

A substance is considered to have a smaller surface area when ... A. it is a fine powder B. it is in large chunks C. you have a small amount of the substance D. you have a large amount of E. the substance

Which is the noble gas notation for chlorine? A-[Ne] 4s2 4p5 B-[Ne] 3s2 3p5 C-[Ne] 3s2 3p3 D-[Ne] 3p2 3p5

Is argon long hand or noble gas