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CI Investigation 2
Test Description: Review of the periodic table
Instructions: Answer all questions to get your test result.
1) Which formula represents a substance that is an element?
A
NH3
B
Co
C
CO
D
CO2
2) How did Mendeleev organize the periodic table?
A
by an atom's atomic number
B
by an atom's atomic mass
C
by an atom's state of matter
D
by an atom's symbol
3) Today's modern periodic table is organized by what?
A
an atom's atomic mass
B
an atom's atomic number
C
at atom's atomic symbol
D
an atom's state of matter
4) Which element makes up about 90% of the known universe?
A
hydrogen
B
oxygen
C
carbon
D
helium
5) In a periodic table, a set of properties repeats from
A
row to row
B
group to group
C
element to element
D
column to column
6) The periodic table is composed of
A
elements
B
products
C
mixtures
D
compounds
7) The majority of the periodic table is composed of
A
semi-conductors
B
nonmetals
C
metals
D
gases
8) Which list of elements contains only metals?
A
carbon, iodine, tin
B
iodine, carbon, argon
C
tin, copper, cesium
D
helium, iron, copper
9) Copper, gold and iron all have similar characteristics. They are shiny and conduct electricity. They can be hammered into a shape and drawn into wire. What classification of elements includes copper, gold and iron?
A
nonmetal
B
metal
C
gas
D
metalloid
10) Atoms of different elements can join together in different arrangements to produce a variety of substances that are found on Earth. There are more than 100 known elements. Which of the following best describes these elements?
A
Most of these elements are metalloids.
B
Most of the elements are metals.
C
Most of these elements are nonmetals.
D
Most of these elements are noble gases.
*select an answer for all questions
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