Chemistry Inorganic Chemistry Level: Misc Level
Compounds that are electrically neutral must have equal numbers of
a.anions &cations
b.positive & negative charges
c.moleecules
d.ionic bond
Chemistry Inorganic Chemistry Level: Misc Level
A covalent bond in which two atoms share three pairs of electrons between is called a (n)
a. single bond
b. double bond
c.triple bond
d.metallic bond
Chemistry Inorganic Chemistry Level: Misc Level
A polar covalent bond is likely to form between two atoms that
a.differ in electronegativity
b. are of simliar size
c. differ in state of matter
d. have the same number of electrons
Chemistry Inorganic Chemistry Level: Misc Level
an ion that has a similar electron configuration to that of neon is
a.CI-
b. Na
C. Na+
d.O_
Chemistry Inorganic Chemistry Level: Misc Level
According to the octet, a calcium atom has a tendency to
a.lose one electron
b.lose two electrons
c.gain one electron
d.gain two electrons
Chemistry Inorganic Chemistry Level: Misc Level
The correct Lewis structure for the boron atom has
a.one single valence electron
b.two single valence electron
c.three single valence electrons
d. one pair of electrons and 3 single valence electron
Chemistry Inorganic Chemistry Level: Misc Level
lonic bonding occurs between
a.ions of opposite electrical charge
b.ions of the same electrical charge
c. ions of the same size
d. ions of the same size and opposite charge
Chemistry Inorganic Chemistry Level: Misc Level
The correct name for the salt with the formula CaI2 is
a. calcium iodie
b.calcium di-iodine
c. calcium iodine
d. dicalcium iodide
Chemistry Inorganic Chemistry Level: Misc Level
Multiple covalent bonds may be found in the atoms that contain carbon, nitrogen, or
a. helium
b. argon
c. hydrogen
d. oxygen
Chemistry Inorganic Chemistry Level: Misc Level
An ion and its parent atom have the same
a.electron configuration
b. atomic number
c. number of charges
d. chemical reactivity
Physics Modern Physics Level: Misc Level
In Lewis structures, the atomic symbol represents
a. valence electrons
b. atomic number
c. the nucleus & inner- shell electrons
d. a stable of electrons
Physics Modern Physics Level: Misc Level
the correct symbol for a copper atom that has lost 2 electrons is
a. Co+
b. C2-
c. Cu2+
d. Cu2-
Chemistry Physical Chemistry Level: Misc Level
Which of the following is NOT a property of an lonic compound?
a. low boiling point
b. brittleness
c. hardness
d. molten compound conducts electricity
Physics Heat & Thermodynamics Level: Misc Level
Find the rate of energy flow through a copper block of cross sectional area 15 cm squared, and length 8.0 cm when a temperature difference of 30 degrees C is established accross the block. Repeat the calculation, assuming that the material is (b)a block of stagnant air with the given dimensions, and (c) a block of wood with the given dimensions.
Physics Heat & Thermodynamics Level: Misc Level
A 100 g cube of ice at 0 degtrrs C, is dropped into 1.0 kg of water that was origionally at 80 degrees C.What is the final temperature of the water after the ice has melted?
