Numbers
The number of particles in one mole
What is 6.02 x 1023
A transition from one state of matter to another
What is phase change?
The number of valence electrons in a Group 1 Metal
What is one?
Hydrogen and oxygen in the following equation
2H2 + O2 -> H2O
What are reactants?
The branch of chemistry that studies carbon compounds
What is organic?
4,546 miles in scientific notation
What is 4.546 x 103 miles
Phase change from a solid directly to a gas
What is sublimation?
Sum of the number of protons and neutrons in the nucleus
What is mass number?
The use of electric energy to produce a chemical reaction
What is electrolysis?
The average kinetic energy of the particles in a sample of matter
What is temperature?
The significant figures in 32.020
What is five?
Subatomic particle with the same mass as a neutron
What is proton?
Which group of atoms are known as the alkaline earth metals?
What is Group 2
Loss of electrons and increase in charge
What is oxidation?
The number of pi bonds in a triple bond
What is two?
The concentration of hydrogen ions in a solution with a pH of 4.32
What is 4.8 x 10 -5 M
The reason sucrose dissolves in water
The period and group of the element with the electron configuration [Ne]3s23p3
What is period 3, group 15
The equilibrium constant expression for
2SO3 -> 2SO2 + O2
What is
[SO2]2[O2]/[SO3]2
Atoms of an element with different masses
What are isotopes?
The time passed when 5 mol/L reacts at an average rate of 0.5 mol/L*s
What is 10 seconds
Elements such as hydrogen, nitrogen, and oxygen normally occur in this form
What are molecules containing two atoms?
The molar mass of H2CrO4
What is 118g/mol?
The law represented by a balanced chemical equation
What is the law of conservation of mass?
The strongest form of radiation
What is gamma radiation?