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Matter
Atoms
Periodic Table
Ionic Bonds
Covalent Bonds
100
A type of change associated with molding bread.
What is a chemical change
100
An element made up of 20 protons and 22 neutrons
What is Calcium
100
the name of group 2
What is the alkaline earth metals
100
The correct name for CaBr2
What is Calcium Bromide
100
The correct formula for dinitrogen pentoxide
What is N2O5
200
A type of change associated with melting ice caps and glaciers.
What is a physical change
200
Has an isotope with a mass number of 17 and an atomic number of 16.
What is Sulfur
200
The halogens
What is group 17
200
The correct formula for Lithium Sulfate
What is Li2SO4
200
The correct name for C2H4
What is dicarbon tetrahydride
300
A property of matter; mass divided by volume
What is density
300
Subatomic particles that make up the mass of an atom
What is protons and neutrons
300
An element that shares similar properties with Radium
What is Be, Mg, Ca, Sr, or Ba
300
The molar mass of Sodium Phosphide
What is 99.97 g/mol
300
H2, O2, N2
What is diatomic molecules
400
A property that depends on the amount of matter present
What is an extensive property
400
Equal to the mass number minus the atomic number
What is the number of neutrons
400
has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d4
What is chromium, Cr
400
Anion
What is an element that gains electrons and has a negative charge
400
the shape of a compound with 2 bonded atoms and 2 lone pairs
What is tetrahedral
500
Floats over top of another substance
What is a less dense substance
500
You take the given number of grams of the element and divide by the ______________ to convert to the number of moles of that element.
What is molar mass from the periodic table
500
The periodic trend that increase down a group and left across a period
What is atomic radius
500
The molar mass of Magnesium Nitrate
What is 148.31
500
the shape of a molecule with 3 bonded atoms and no lone pairs
What is trigonal planar