GENERAL INORGANIC CHEM Flashcards
(11 cards)
The mass of a proton or neutron is approximately _______ times that of an electron.
A. 1,736 B. 1,900 C. 1,700
D. 1,836
D. 1,836
Deuterium or heavy hydrogen has an atomic no. of 1 and a mass of
A. 3 B. 2 C1 D. 4
B. 2
Which of the following is the lightest?
A. alpha particle B. beta particle C. proton D. hydrogen
B. beta particle
The volume of an ideal gas is zero at ________.
A. 0˚C B. -45˚F C. -273 K D. -273˚C
D. -273˚C
Of the following gases, _________ will have the greatest rate of effusion at a given temperature.
A. NH3 B. CH4 C. Ar D. HBr
B. CH4
Of the following gases, the one with the greatest density at STP is:
A. CH4 B. NH3 C. Ne D. H2
C. Ne
Which of the following is the reason that metals conduct electricity?
A. The metal atoms are close together
B. There are no empty spaces in metal structures
C. Electrons in the structure can move freely
D. Electrons and protons in the structure can move freely
C. Electrons in the structure can move freely
The basic repeating structural unit of a crystal lattice is the
A. unit cell B. atom C. molecule D. atomic cluster
A. unit cell
In the hexagonal close-packed structure, each atom has a coordination number of
A. 4 B. 6 C. 8 D. 12
D. 12
In diamond, each carbon is covalently bonded to _______ other carbon atoms
A. 2 B. 3 C. 4 D. 6
C. 4
Magnesium cannot displace from solution the ions of
A. sodium B. lead C. copper D. gold
A. sodium
