August
The stuff that has mass and occupies space
matter
The number of e-shell holds when e-shell = 2
8
A metal that only forms 1 cation.
Type I BIC
Number in a measurement that is the same no matter who makes it
Certain Number
December 16th, Thursday
substance composed of a given combination of elements that can be broken down into these elements by chemical methods
compound
amount of valence electrons in sodium
1 VE
A compound that contains 2 nonmetals only
Type III BCC
The highest unit on the metric unit conversion staircase
Kilo (K)
(4.39 * 10-3 ks2) / (2.51 * 10-2 hg2)
1.75 * 10-1 ks
ability of a substance to change to a different substance
chemical property
Isotope Notation Format
A(mass #)Z (atomic #)X (chemical symbol)
The Octet Rule
atom must have 8 valence electrons to be stable
Numbers recorded in a measurement
Significant Figures (Sig Figs)
When we take the chem final
December 16, or Thursday
mixture with uniform composition throughout the entire mixture
homogeneous mixture
atoms of the same element with different number of neutrons
isotope
Ion consisting of 2 or more atoms covalently bonded together
Polyatomic Ion
amount of sig figs in 1,900,804,000 daL
7 Significant Figures
Mrs.Mahers Maiden Name
Marien
substance with uniform (the same) composition
pure substance
Isotope Notation of Promethium
14561Pm
A molecule that produces H^+1 ions when it is dissolved in H2O
Acid
(4.93 * 10-3 hL) * (2.01 * 10-5 hL)
9.91 * 10-8 hL2
Mrs.Mahers Birthday
December 6