Chapters 1 and 2
Science that corresponds with substances and the changes they go through
What is Chemistry?
The standard units for the metric system
What are Meters, Liters, and Grams?
The three states of matter
What is solid, liquid, and gas?
the capacity to do work; the flow of energy due to temperature difference
What is the definition of heat and the definition of energy?
Compounds always have the same composition no matter where it comes from.
What is the law of constant composition?
State the problem and gather info, form a hypothesis, and perform the experiment
What is the scientific process? (or the three steps to the scientific process)
The amount of rules Significant Figures are determined by
What is three?
The difference between physical and chemical properties
Physical does not affect the composition of the substance, while chemical properties involve the make up of the substance
9.184 joules = 1 calorie
A distinct substance composed of two or more elements
What is a compound?
A law is a reason why something happens, while a theory is a human attempt to explain why something happens
What is the difference between a law and theory?
A ratio of two parts of a statement that relates to the two units
What is a conversion factor?
The difference between an element and a compound
An element cannot be broken down by normal means, while a compound can be broken down
(this one would not go with the "What is ____" format)
The amount of elements that occur naturally on the Earth
What is 88?
The three scientists who discovered the electron, proton, and neutron
Who is J.J Thomson (Electron), Ernest Rutherford (Proton), and James Chadwick (Neutron)
Any number between 1 and 10 multiplied by a power of ten
What is Scientific Notation (or how scientific notation is displayed)?
The three temperature scales
What is Farenheit, Celsius, and Kelvin?
(Formulas: C=K-273 | K=C+273 | C=F+-32/1.80 | F=1.80(C)+32
Something that has a variable composition
What is a mixture?
Where the letters are derived from on the periodic table
What is Latin?
Proton = 1
Neutron = 1
Electron = 1/1836
What is the relative mass of the three subatomic particles?
A part of a measurement that tells what scale or standard is being used to represent the results of a measurement.
What is a Unit?
The amount matter present in a given volume of a substance
What is Density?
The different methods for separating mixtures
What is Distillation and Filtration?
Elements are made of tiny particles and cannot be created or destroyed
What is Dalton's Theory?
Atoms with the same number of protons but different numbers of neutrons