The Periodic Table Question Preview (ID: 29682)
Periodic Table.
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The father of the periodic table of the elements is
a) Ernest Rutherford
b) Niels Bohr
c) Dmitri Mendeleev
d) Democritus
Elements in the periodic table are arranged by
a) atomic number.
b) number of neutrons.
c) number of electrons.
d) reactivity.
Atomic number of an element is always equal to the
a) number of valence electrons.
b) number of electrons.
c) number of protons.
d) number of neutrons.
Mass number of an element is equal to the number of
a) protons plus the number of electrons.
b) electrons plus the number of neutrons.
c) protons plus the number of neutrons.
d) electrons, protons, and neutrons.
Which of the following is always the same for an atom?
a) number of electrons
b) number of neutrons
c) number of valence electrons
d) number of protons
In the periodic table, metals are located
a) to the right of the stair-step line.
b) touching the stair-step line.
c) to the left of the stair-step line.
d) along the far right side of the periodic table.
Groups (or families) are
a) vertical columns in the periodic table.
b) horizontal rows in the periodic table.
c) randomly arranged.
d) None of these are correct.
Elements located in a group have
a) the same number of valence electrons.
b) many similarities.
c) similar bonding capabilities.
d) All of these are correct.
Elements in Group 18 are called
a) halogens.
b) alkali metals.
c) alkaline earth metals.
d) noble gases.
Elements in Group 2
a) are called alkali metals.
b) have 2 valence electrons.
c) are called halogens.
d) are very stable.
The number of __________________ determines the reactivity of a group of elements.
a) electrons
b) valence electrons
c) protons
d) neutrons
The most reactive elements in the periodic table are found in
a) Groups 1 and 13.
b) Groups 1 and 17.
c) Groups 3-12.
d) Groups 17 and 18.
The element in the periodic table with 17 protons is
a) carbon.
b) neon.
c) chlorine.
d) sodium.
How many neutrons does nitrogen have?
a) 14
b) 7
c) 8
d) 15
The element in Group 1, period 3 is
a) H
b) Li
c) Na
d) K
The noble gas in period 6 is called
a) neon
b) argon
c) xenon
d) radon
The elements in Groups 3-12 are called
a) alkali metals.
b) alkaline earth metals.
c) transition metals.
d) noble gases.
The greatest electronegativity is found
a) in the bottom right corner of the periodic table.
b) in the bottom left corner of the periodic table.
c) in the top left corner of the periodic table.
d) in the top right corner of the periodic table (at F)
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