Think you’ve got your head wrapped around Atoms, Molecules, and Ions? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. The Hindenburg blimp blew up because it was filled with ____ gas which is reactive and flammable.
helium
neon
hydrogen
sulfur
oxygen
Q. An atomic bomb must use enriched ___________.
Uranium-235
Uranium-238
Uranium-240
Plutonium-235
Plutonium-238
Q. An element is composed of ______.
molecules
ions
compounds
atoms
none of the above
Q. The empirical formula of glucose (C6H12O6) is?
C6H12O6
CHO
C-H-O
CH2O
None of the above
Q. The molecular formula of glucose (C6H12O6) is?
C6H12O6
CHO
C-H-O
CH2O
None of the above
Q. There are three major types of bonds: ionic, covalent, and hydrogen. Which of the following subatomic particles are responsible for creating the different types of bonds?
Protons
Neutrons
Electrons
Atoms
None of the above
Q. Metals tend to ______ electrons, and nonmetals tend to ______ electrons.
lose, gain
lose, lose
gain, gain
gain, lose
keep, keep
Q. Isotopes have differing numbers of which subatomic particle?
Protons
Neutrons
Electrons
Ions
None of the above
Q. To change from Li to Li+ you need to:
add one electron
remove one proton
remove one electron
add one proton
add one neutron
Q. Fe2+ and Fe3+ are different iron _______.
ions
isotopes
elements
atoms
none of the above