Fundamentals & Measurements
Atomic Structure & Periodic Table
The Periodic Table
Chemical Bonding and Molecular Structure
The Mole
Stoic
100
Round to 3 Sig Figs
22368249g
What is 224g
100
What is the Charge of Ba-137?
What is 0
100
What is the atomic number of Br?
what is 35
100
The number of electrons in an oxygen molecule
What is 8 electrons?
100
What is the formula for molar mass?
What is 1molA=(MM)gA
100
If you are starting with grams and ending with grams, Which side of the stoic map would you end up on?
Side B
200
0.007689210 g when rounded off to 3 sig figs.
What is 0.00769?
200
The difference between protons and electrons
Protons are positive and electrons are negatively charged
200
It forms when electrons from different atoms pair up
What forms a covalent bond?
200
The average atomic mass
What is under the element name in the periodic table?
200
Avogadro's Number
What is 6.02 X 1023
200
How many conversion factors would you need to go from atoms to grams?
What is 3 conversion factors
300
3 things mandatory in order to be an Experimenter
What is tied hair, long pants, and passed safety quiz?
300
The Atomic Number of Pb
What is 82?
300
The group or family on the Periodic Table
What are the vertical rows/columns of the Periodic Table?
300
In ionic bonding what happens to the electrons?
The electrons are being transferred
300
What is 209.46 g?
300
The amount of moles of H2O after 6 moles of Cl evaporates
What is 8 mol H2O?
400
Write this number in standard notation:
8.348 x 10^6
8348000
400
Definition of the Atomic Radius
What is the distance from the nucleus to the valence electrons
400
What is the e- configuration of Br?
What is 1s22s22p63s23p64s23d104p5
400
The difference between the trigonal planar and trigonal pyramidal.
What is: Trigonal Pyramidal has a electron pair around the central atom while Trigonal Planar doesn't?
400
The amount of Ar atoms in the chemical formula Ar2(BF4)2
What is 2 atoms/mol?
400
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How many grams of NO3 is needed to add to the reaction 3.26 mol NH4Cl? What is the starting and ending point?
SP:3.26 mol NH4CI
EP:? g NO3
500
Round to 3 Sig figs
24.59m
What is 24.6m
500
What is the Mass # of Mg-26?
What is 25
500
The number of valence electrons when moving down a group in the periodic table
What remains constant?
500
Number of valence electrons in the molecule NH2Cl
What is 14 valence electrons?
500
The balanced equation of Al+HCL-->AlCl3+H2
What is 2Al+6HCL-->2AlCl3+3H2
500
H2SO4+Ca(OH)2-->CaSO4+2H2O
The amount of grams of H2O produced from 2.96 g of Ca(OH)2
What is 1.44 g of H2O?
600
The rounded number of 68.378250 to 4 sig figs
What is 68.3800 g?
600
The number of neutrons Rhenium-185 has in its nucleus
What is 110 neutrons
600
The electron configuration of Iron(Fe)
What is 1s22s22p63s23p64s2?
600
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What are cations and anions?
cations are positive ions and anions are negative ions
600
NH3+O2--->NO2+H2O
What is 2NH3+O2--->2NO2+3H2O
600
The number of moles of NaOH that could be produced if I have 4.12 x 1025 molecules of Cl2
3Cl2+6NaOH-->5NaCl+NaClO3
What is 137 mol NaOH?
700
The number 2.56789 m rounded to 3 sig figs
What is 2.57 m?
700
The nuclear number of a component
What is the element's number of protons and electrons?
700
When molecules combine with other molecules
What is a molecular compound?
700
How can you tell if a molecule is polar or nonpolar?
Polar bond is formed between 2 atoms that share electrons unequally, while non polar bonds are formed between 2 atoms that share electrons equally.
700
The balance equation of P4O10+H2O-->H3PO4
What is P4O10+6H2O-->4H3PO4?
700
The formula units of CaCl2 are produced when 18.1 grams of calcium chloride is reacted.
CaCl2+Na2CO3-->2NaCl+CaCO3
What is 9.82 X 1022 form units CaCl2?
800
The mass of a cube of platinum 2.20 cm on an edge. Density=2.41 g/cm3
What is 25.7 g?
800
The Atomic Mass
What is an average weight or isotope of a single element?
800
The electron configuration of the element Br(#35).
What is 1s22s22p63s64s23d104p5?
800
The molecular shape NAME of the molecule CF4
What is tetrahedral?
800
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How many molecules of H2o are in 39.6 mol H2o?
238 mole H2O
800
KClO3--->KCl+O2
What is 8.10 molO2
900
Round the figure to 4 significant figures
326.59741 kg
326.6 kg
900
what is the charge of the atom 80Br-?
the charge is 1-
900
1s22s22p63s23p5
900
The FOA between the temporary S+ of Molecule A and the temporary S- of Molecule B
What is a London Dispersion Force?
900
What is the percentage composition of H3KO4?(only solve for H)
2.9%
900
The number of grams of Al(OH)3 needed to react with 3.139 moles of H2O
What is 81.6 grams of Al(OH)3?
1000
Round the figure to 3 significant figures
5.6358x105
5.64x105
1000
what is the number of neutrons if the element Pt-196(platinum 195.08)?
neutrons=18
1000
what is the noble gas configuration of Cl (chlorine)?
[Ne]3s23p5
1000
The structure of an ionic compound
What is a lattice?
1000
The percentage composition of Mg in Mg(NO3)2
What is 16.39% Mg?
1000
The grams of H2O that can be produced from 2.96 g of Ca(OH)2
What is 1.44 g H2O?