The Periodic Table
Bonding
Scientific Data
Nomenclature/Electrons
Isotopes
Misc.
100
What does the atomic number tell us?
The number of protons in the nucleus.
100
Ionic bonds are formed through the ______ of electrons, while covalent bonds are formed through the ______ of electrons.
transfer, sharing
100
What is the correct measurement of the volume of liquid picturesd?
21.5
100
Write the formula for iron (II) sulfite
FeSO3
100
How many neutrons are in 14761Pm?
86
100
When heating a test tube, where should the opening of the test tube be pointed?
Away from all humans.
200
The mass number is equal to _____ + _____.
protons + neutrons
200
An atom becomes a negative ion by (gaining/losing) electrons.
gaining
200
The accepted temperature of a substance is 38 °C. The following data is collected in the lab: 
This data (is/is not) precise; This data (is/is not) accurate.
The data is accurate but not precise.
200
What is the name of PCl3?
phosphorus trichloride
200
One atom has 20 protons, 19 neutrons, and 20 electrons. Another atom has 20 protons, 21 neutrons, and 20 electrons. Are these atoms isotopes or ions of the same element?
Isotopes
200
Rank the following four elements in order of increasing electronegativity: Be, C, Li, O
Li, Be, C, O
300
(Metals/nonmetals) are on the right side of the periodic table.
Metals
300
What is the molecular geometry of water?
bent
300
Calculate the density of substance C in g/L.
4.3 g/L
300
What is the name of NH4(NO3)?
ammonium nitrate
300
Boron has two isotopes. B-11 is 80.2% abundant. What is the abundance of the other isotope, B-10?
19.8%
300
Rank the following elements in order of increasing atomic radius: Si, Pb, C
C, Si, Pb
400
Elements A, B, and C have consecutive atomic numbers. If element C is a noble gas, what would the charge for an ion of element A be?
-2
400
Which of these is covalently bonded?
a) lithium phosphate
b) sulfur trioxide
c) sodium nitride
d) magnesium sulfate
b) sulfur trioxide
400
A beaker contained 36 mL of water; 5.2 mL was poured out, then another 14.44 mL was added. What is the final volume of water in the beaker? Be sure to report your answer to the correct number of significant figures.
45 mL
400
How many valence electrons does neutral phosphorus have?
5
400
Silicon has three naturally occurring isotopes. Use the table below to calculate the average atomic mass for silicon.
28.11 amu
400
Ionization energy follows the same trend as...
electronegativity
500
This diagram shows a small portion of the periodic table. Which element has one less proton than X?
3
500
Which of these contains ionic and covalent bonds?
a) CO2
b) H2O
c) NaCl
d) Zn(NO3)2
d) Zn(NO3)2
500
How many significant figures are in the number 0.07301000?
7
500
When an atom becomes a positive ion, it becomes (larger/smaller).
smaller
500
A 600 g sample has a half life of 1.5 minutes. What mass of the sample remains after 4.5 minutes?
75 g
500
What is the molar mass of ZnCO3?
125.4 g/mol