Show:
Atomic Structure, Models, and Theory
Periodic Tables and Trends
Chemical Bonding, Structures, and Names
Stoichiometry
Chemical Reactions
100
This part of the atom has a negative charge
What is electron
100
a horizontal row in the periodic table
What is Period
100
Substance is composed of two or more particles
What is a compound
100
what unit is used to measure the number of particles in a substance
What is mole
100
process in which one or more substances change to make one or more new substances
What is chemical reactions
200
Sum of the protons and neutrons in an atom
What is mass number
200
Hydrogen can be grouped with this type of elements
What is non-metals
200
definition of molecule?
What is combination of atoms formed in a covalent bond
200
describes the grams of solute that dissolves in solvent
What is solubility
200
what are some signs a chemical reaction has taken place
What is gas forms, color changes, or heat change
300
Average mass of all the different isotopes of an atom
What is Atomic Mass
300
When two atoms come together because they are mutually attracted to each other's electrons they form this bond
What is covalent bond
300
substance can be broken down by physical means
What is mixture
300
What is the number of grams in magnesium in 7.00 moles
What is 168 grams
300
force that holds two atoms together
What is a chemical bond
400
Part of the atom that contains protons and nuetrons
What is Nucleus
400
Metals that are reactive are located on this side of the periodic table
What is on the right side
400
in a ionic bond electrons are ______ between atoms
What is transferred
400
if you have 4.0 moles of Cl2, how many grams of Na do you need
What is 180 grams
400
states that mass cannot be created or destroyed in chemical or physical means
What is law of conservation of mass
500
The charge of the neutron is?
What is neutral
500
Elements in the periodic tables are arranged according to their?
What is Atomic Number
500
the attraction between a positive ion and a negative
What is a ionic bond
500
If you have 3.2 moles of Na, how many moles of Cl2 do you need
What is 1.6
500
uses symbol and formulas to describe a chemical reaction
What is a chemical equation