nona
What is the numeric prefix for 9?
0.000545, 1-
What is the relative mass and relative charge for electrons?
penta
What is the numeric prefix for 5?
NH4+ , NH4Cl
Ammonium ion formula and typical compound
inside the nucleus, center of the atom
Where is protons located in the atom?
outside the nucleus; dispersed around the nucleus
Where is electrons located in the atom?
the total number of protons and neutrons in the nucleus of an atom
What is mass number?
di
What is the numeric prefix for 2?
Mg, Ca, Cu, Ni, Co, Fe, Mn, Cr, V, Ti
2+ charge
formed by the combination of two elements, usually nonmetals
What is binary molecular compound?
hexa
What is the numeric prefix for 6?
Li3N
Lithium and Nitrogen
e-
What is the symbol for electrons?
a charged group of covalently bonded atoms
What is polyatomic ions?
a molecule is a group of two or more atoms held together in a definite spatial arrangement by
forces
What is covalent bond?
CH3COOH- C2H4O2
What is an example of empirical formula?
shows how atoms are attached to one another
What is structural formula?
to display the number of protons and neutrons in the nucleus of an atom
What is atomic notation?
tri
What is the numeric prefix for 3?
have negative charge from gain of electrons
anions
PO43- , Na3PO4
Phosphate ion formula and typical compound
p+
What is the symbol for protons?
as the weighted average of the masses of the naturally occurring isotopes of that element
What are atomic mass?
He, Ne, Ar, Kr
Noble Gas elements
mono
What is the numeric prefix for 1?
deca
What is the numeric prefix for 10?
H, B, C, N, O, F, Si, P, S, Cl, As, Br
Nonmetal elements
H2O, NH3
What is an example of molecular formula?
contains two elements, a metal and a nonmetal
Binary ionic compound
NaCl, Li2S
What is an example of binary ionic compound?
Mg2O2- MgO
Magnesium Oxide
CN-, KCN
Cyanide ion formula and typical compound
NO3- , NaNO3
Nitrate ion formula and typical compound
1,0
What is the relative mass and relative charge for neutrons?
the actual number of each kind of atom in a molecule
What is molecular formula?
hepta
What is the numeric prefix for 7?
bromine trichloride
BrCl3
Li, Na, K, Cu, Ag, Au
1+ charge
SO42- , Na2SO4
Sulfate ion formula and typical compound
n
What is the symbol for neutrons?
1, 1+
What is the relative mass and relative charge for protons?
inside the nucleus, center of the atom
Where is neutrons located in the atom?
octa
What is the numeric prefix for 8?
CaF2
Calcium and fluorine
each element has a characteristic number of protons in the nucleus
What is atomic number?
gives the smallest integral ratio of atoms o elements in a compound
What is empirical formula?
P4O10
tetraphosphorous decoxide
have positive charge from loss of electrons
Cations
OH- , NaOH
Hydroxide ion formula and typical compound
atoms of the same element that have a different number of neutrons in the nucleus
What is isotopes?
the actual number of each kind of atom in a molecule
What is molecular formula?
tetra
What is the numeric prefix for 4?
Al2O3
Aluminum and Oxygen
metals, nonmetals, noble gases
Three things on modern periodic table
CO32- , Li2CO3
Carbonate ion formula and typical compound
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