8.5C Question Preview (ID: 49265)
Arrangement Of Periodic Table.
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Which of the following best describes the location of the element tin?
a) Group 4 (4B), Period 4
b) Group 16 (6A), Period 5
c) Group 14 (4A), Period 5
d) Group 13 (3A), Period 6
Which set of element has properties similar to phosphorus?
a) Aluminum, silicon, sulfur, and chlorine
b) Carbon, selenium, iodine, and radon
c) Oxygen, germanium, indium, and mercury
d) Nitrogen, arsenic, antimony, and bismuth
One of the greatest contributors to the modern periodic table is
a) Sir Isaac Newton
b) Charles Darwin
c) Gregory Mendel
d) Dmitri Mendeleev
An element in group 18 with 18 protons can be best described as
a) a highly reactive gas
b) a manmade radioactive substance
c) a nonreactive nonmetal
d) a metallic solid
Which of the following testable questions will provide evidence that elements in the same group have similar properties?
a) How does the melting point of nickel compare to zinc?
b) How does the boiling point of mercury compare to silicon?
c) How does the melting point of copper compare to silver?
d) How does the reactivity of lead in vinegar compare to gold in vinegar?
Halogens are classified together as a group because all the elements...
a) are conductors of electricity
b) have the same atomic mass
c) have similar chemical and physical properties
d) are malleable and ductile
Which group in the periodic table reacts violently with water by igniting hydrogen gas?
a) Alkali metals
b) Lanthanide series
c) Halogens
d) Transition metals
Which periodic trend decreases left to right across the periodic table?
a) metallic properties
b) chemical reactivity
c) atomic size
d) metallic properties and atomic size
Which sets of elements have similar chemical and physical properties?
a) Mg, Ra, Al, and P
b) Mg, Ra, Be, and Ba
c) Al, P, Be, and Ba
d) Al, P, Na, and Cl
Which safety precautions should be observed when conducting a scientific investigation on classifying elements based on chemical properties?
a) Wear chemical splash goggles, an apron, and gloves
b) Wear a fire blanket at all times
c) Wear an apron to protect clothes
d) No preventative safety equipment is necessary
Which is a difference between transition metals and halogens?
a) Transition metals are poor conductors of electricity, while halogens have high densities.
b) Transition metals contain mostly liquids, while halogens are good insulators.
c) Transition metals conduct electricity, while halogens are reactive nonmetals.
d) Transition metals and halogens are malleable and ductile.
Where are the elements that are gases with low densities located on the periodic table?
a) On the left side of the periodic table
b) Alone the staircase of the periodic table
c) On the right side of the periodic table
d) In the middle of the periodic table
Which set of elements represents a period within the periodic table?
a) H, He, Ar, Xe, and Rn
b) K, V, Fe, Ga, and Kr
c) N, P, As, Sb, and Bi
d) La, Pa, Sm, Tb, and Yb
All the following properties describe alkaline earth metals, EXCEPT
a) reactive
b) shiny and silvery-white in color
c) found in nature
d) soft enough to be cut with a knife
A student is given two unknown metals and asked to determine whether or not these two elements belong to the same group in the periodic table. Which would be most helpful in answering this question?
a) Measure only physical properties of the metals
b) Measure both chemical and physical properties of the metals
c) Measure only chemical properties of the metals
d) Measure the densities of the metals
Which group of elements are in the same group?
a) Cu, Ag, and Au
b) Ti, V, and Cr
c) Mn, Ru, and Os
d) Co, Pd, and Au
Which statement would be true for both halogens and alkali metals?
a) Both are brittle nonmetals
b) Both are very reactive
c) Both are nonreactive elements
d) Both are shiny, silver solids
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