Ch 5 1/3 Question Preview (ID: 4834)
Periodic Table.
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The order of elements in the periodic table is based on
a) number of protons in the nucleus
b) electrical charge of nucleus
c) number of neutrons in the nucleus
d) atomic mass
Atoms of elements that are in the same group have the same number of
a) protons
b) neutrons
c) valence electrons
d) protons and neutrons
Which of the following elements is an alkali meta
a) calcium
b) magnesium
c) mercury
d) sodium
Carbon and other non metals are found in which area of the periodic table
a) on the left hand side
b) on the right hand side
c) in the middle
d) in the bottom rows
In Mendeleev's periodic table,elements in each column had similar
a) atomic masses
b) atomic numbers
c) properties
d) symbols
as you move left to right across the periodic table,elements
a) become less metallic
b) have a lower atomic number
c) have a lower atomic weight
d) become more metallic
What is Mendeleev known for
a) creating today's atomic model
b) discovering protons
c) publishing the first periodic table and making predictions about missing elements
d) discovering Mendelevium
Mendeleev left gaps in his periodic table because
a) the table was too small
b) protons were missing
c) full too small
d) no known elements fit there
Each column of the periodic table is
a) an element
b) a group
c) an isotope
d) a period
The periodic law states that elements that have similar properties appear
a) to the left of each other
b) to the right of each other
c) at every tenth element
d) at regular intervals
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