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Introduction to Chemistry
Atoms
The Periodic Table
Molecules and Compounds
Chemical Reactions and Equations
100
Anything that has mass and takes up space.
What is Matter?
100
The charge on a neutron.
What is zero?
100
The maximum number of electrons 1 orbital can hold.
What is 2?
100
The chemical formula for potassium chloride.
What is KCl?
100
This symbol is used, when writing chemical equations, to show that a substance is dissolved in water.
What is (aq)?
200
The quantity of matter in an object.
What is Mass?
200
The number of protons plus the number of neutrons.
What is atomic mass.
200
The number of "p" orbitals in any given energy level.
What is 3?
200
This shape of molucule occurs when the elements of the carbon family form bonds.
What is tetrahedral?
200
This chart is used to determine if a single replacement reaction will occur.
What is Activity series of the elements?
300
The pull of gravity on an object.
What is Weight?
300
An atom that has a positive charge or a negative charge.
What is an Ion?
300
The name of the family that has 2 valence electrons?
What is Alkaline Earth Metals?
300
Greek prefixes are used to denote the number of each type of element in a compound.
What is when two nonmetals bond.
300
Only this type of number can be used to balance chemical equations.
What is coefficient?
400
How close together a set of measurements (made in the same way) are.
What is Precision?
400
The mass of an atom results from these two types of subatomic particles.
What is protons and neutrons?
400
The atomic radius _______ as you go across a period.
What is Decreases?
400
This is used, when writing chemical formulas, to show what charge an atom has.
What is Roman numerals?
400
A type of reaction in which the reactants are water and a hydrocarbon.
What is combustion reactions?
500
How close a measurement is to the accepted value.
What is Accuracy?
500
The number of this type of subatomic particle determines what type of element it is.
What is proton?
500
A "pictoral" representation of an elements valency.
What is Lewis dot notation?
500
The typical charges of iron when it ionizes.
What is +2 and +3
500
The products of the following reactants HCl + NaOH
What is water and sodium chloride?