Basics -You'd better know this!
A natural science that studies nonliving matter and energy
What is physical science?
centimeters in 1 meter
What are 100 cm?
The SI atomic unit of chemistry indicating the number of particles of a substance.
What is a mole?
Number of valence electrons in O
What is 6?
Law of conservation of matter
What is matter can neither be created nor destroyed, but only change form?
The reason scientific models change
What is because new information is continually being discovered
millimeters in 4 meters
What are 4000 millimeters?
The reason chemistry uses the mole for numbering particles?
What is because atoms are so small, counting them directly would be numbers too enormous to work with easily.
Number of valence shell for K and Ca.
What is 4?
Law of Conservation of Energy
What is the law that states energy cannot be created or destroyed, but only transferred between objects?
The basic building block of all matter
What is an atom?
milliliters in 3.7 liters
What are 3700 milliliters
Moles of Carbon in C6H12O6
What are 6?
Atomic number for Ir?
What is 77?
Periodic law
What is a law that states that properties of the elements vary in a periodic way with their atomic numbers?
The name of any 2 SI Units
What are (meters, kilograms, kelvin, second, ampere, mole, candela)?
molar mass of H2O
What is 18.02 g/mol?
Moles of 8 C6H12O6 molecules
What is 8?
Number of neutrons in C-18
What is 8 neutrons?
Octet rule
What is the principle that atoms are most stable when they have a full eight electrons in their valence energy level?
An initial testable explanation (educated guess) that guides a scientific investigation.
What is a hypothesis?
Density of aluminum with a volume of 14.8 mL and mass of 39.96 g.
What is 2.70 g/mL?
The number of particles in a mole?
What are 6.022 x 1023 objects?
Mass number of a Cl atom with 18 neutrons
What is 35? This is Chlorine-35
Definition of a scientific law
What is a model, often expressed as a mathematical equation that described phenomena under certain conditions?