115) What is the molecular formula for 1-propanol?
A) CH3OH
B) C2H5OH
C) C3H7OH
D) C4H9OH
E) C5H11OH
2.2 Bimodal Questions
1) Methane and ethane are both made up of carbon and hydrogen. In methane, there are 12.0 g of carbon
for every 4.00 g of hydrogen, a ratio of 3:1 by mass. In ethane, there are 24.0 g of carbon for every 6.00
g of hydrogen, a ratio of 4:1 by mass. This is an illustration of the law of __________.
A) constant composition
B) multiple proportions
C) conservation of matter
D) conservation of mass
E) octaves
2) __________ and __________ reside in the atomic nucleus.
A) Protons, electrons
B) Electrons, neutrons
C) Protons, neutrons
D) none of the above
E) Neutrons, only neutrons
3) 200 pm is the same as __________ Å.
A) 2000
B) 20
C) 200
D) 2
E) 0.0002
4) The atomic number indicates __________.
A) the number of neutrons in a nucleus
B) the total number of neutrons and protons in a nucleus
C) the number of protons or electrons in a neutral atom
D) the number of atoms in 1 g of an element
E) the number of different isotopes of an element