Chemistry
Composed of some mass that occupies 3 dimensional space
What is Matter?
The number of digits in a value to determine the accuracy of that value in a calculated measurement
What are signifcant figures?
This molecule can exist in all 3 states of matter
What is water?
4 important and common SI units
What is Length, Mass, Time, and Temperature?
The definition of density
What is the amount of mass per volume of an object, D=m/v?
Orders elements based on their atomic number or trends of some kind
What is the Periodicity of Elements?
These values are never considered to be signficant
What are Leading Zeros?
Flammability, reactivity of acids, color changes are types of
What are Chemical Properties?
The prefix milli- corresponds to this multiplier value
What is thousandth or 1.00x10-3?
When the density of helium is 0.0001248g/mL and the density of air is 0.001293 g/mL. This will float
What is Helium?
Usually occurs at the end of Experimentation under the Scientific Method.
What is accept/falsify/modify the Hypothesis?
Rounding the final answer ONLY occurs when the adjacent number is greater than or equal to this number
What is the number 5?
Table Salt is a type of this solid
What is a Crystalline Solid?
A visual outline to show a strategic route required to solve a problem
What is Solution Map?
Submerging a can of soda in water inside a cylinder that contain measurements lines of 5, 10, 20, 30 mL, etc. allows us to measure this
What is Volume, V=V2-V1?
Classify as Observation, Law, or Theory: "Plants use CO2 during photosynthesis"
What is Scientific Law?
When accounting for significant figures, the lowest amount of decimal places account in the final answer
What is the Addition/Subtraction rule?
A pure substance composed of 2 or more elements in fixed definite proportions
What is a compound?
Using units as a guide to solve problems and treating them as numbers is called
What is Dimensional Analysis?
A sample weighing 13.20 g is known to have a certain amount of mass per unit volume of 11.4 g/mL. The volume was found to be this
What is 1.16 mL?
This person came up with this idea to explain this law that these indestructible particles were composed of matter
What and who is John Dalton, Atomic Theory, Law of Conservation of Mass?
(3.70 mi+25.04 mi) X 13.780x103 mi
The significant figures in the final value is based on this rule. What is this value
What is the Multiplication/Division rule and
3.960x105 mi?
What is a Heterogenous Mixture?
Write 3.0in3 into cm3 if (1in = 2.54cm)
What is 49 cm3?
The volume of an object is known to have dimensions of (L)24.5 cm x (w)16.54 cm x (h)5.78 cm and the weighing balance was showing a value of 34.5 g. The density was found to be this
What is 1.47x10-2 g/cm3?