Periodic Table
Polyatomic ions
Reactions
Random
Atoms
100
What is horizontal rows of the periodic table called
Periods
100
ClO-1
Hypochlorite
100
What is 2Al(s)+3CuCl2(aq) ---> 2AlCl3(aq)+3Cu(s)
single-displacement
100
Density of a substance is measured which property of matter is observed
physical
100
What is the sum of the protons and neutrons in an atom
Mass number
200
What is a column of the periodic table called
Group
200
What is SO4
Sulfite
200
What is 2CaO+2H2O ---> 2Ca(OH)2
Synthesis
200
What are the four states of matter
Solid, Liquid, Gas, Plasma
200
What is the number of protons in the nucleus of an atom
atomic number
300
Which group in the periodic table forms ions that have a valence of 1+
one
300
What is ClO4-1
Perchlorate
300
What is AB ---> A+B
decompostion
300
What is water
Compound
300
What is one of the discrete allowed energies for electrons in the atom
energy level
400
What is a chart that organizes the elements by their chemical properties and increasing atomic number
Periodic Table
400
What is AgC2H3O2
Silver acetate
400
What is 3ZnCl2+2Al ---> 3Zn+2AlCl3
single-replacement
400
In an atom, which force holds the protons and neutrons together in the nucleus
Strong force
400
What is transferred or shared when two atoms react chemically
electrons
500
Which group on the periodic table is least likely to be involved in a chemical reaction
group 18
500
What is NH4NO3
Ammonium nitrate
500
What is Ca+H2O ---> Ca(OH)2+H2
combustion
500
According to the Law of Conservation of energy, the total amount of energy on the universe
remains constant
500
What is an atom of the same element with different numbers of neutrons called
isotopes
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