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

What is the definition of thermal expansion

Is the following equation balanced? 2Na + 2H2O = 2NaOH + H2 Yes No

What is generally true about the particles in a liquid? a. They are closer together and have lower energy than the particles in a solid. b. They are closer together and slower moving than the particles in a gas. c.

If molecule dissociates in water what does it do

How many liters of water can be formed if 1.26 liters of ethylene (C2H4) are consumed in this reaction

Who created the periodic table and in what year?

Why is uranium 235 the most commonly used isotope for nuclear fission in current uses in nuclear power generation?

Based upon the pH scale, a vegetable with a pH of 5.3 would be

How many grams of Cl are in 535 g of CaCl2?

2. An object experiences an acceleration, g, when it is on the surface of a planet of radius R. What will be the acceleration on the object after it has been moved to a distance of 4R from the center of the planet? A) 168 B) 48 C) 1/4 g D) 1/16 g