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WorksheetsPeriodic Table
Total questions: 51
Worksheet time: 32mins
(a) Developed the periodic table
Dmitri Mendeleev grouped elements by ---- properties and left ----- for elements yet to be discovered
(a)
Dmitri Mendeleev ordered elements by ____ ____
(a)
Henery Moseley developed the (a) Periodic table
Henry Moseley Changed the order of Mendeleev's table to order elements by ___ ____
(a)
Henry Moseley said that atomic number determined ___ ____, not atomic mass
(a)
Atomic Number = Number of
Protons
Nuclei
lines on the table are called groups or families
Vertical
Horizontal
Elements in the same group/family have ___ chemical properties
similar
different
lines on the table called rows or periods
Vertical
Horizontal
Metals are the ___ of the elements on the table
Least
Most
Most of the elements on the periodic table
Non -Metals
Halogens
Metals
Metals are on the ___ of the stair step
Right
Left
Bottom
Top
Most metals are ___ at room temp(Excluding Mercury)
liquid
solid
gas
Metals are
shiny
dull
Metals are __ conductors of heat and electricity
Good
Poor
Metals are Malleable
True
False
Metals are Ductile
False
True
Metal form
(a)
Metals tend to __ electrons in bonds
lose
gain
Nonmetals are on the ___ of the stair step
Right
Left
Bottom
Top
At room temp Nonmetals are ___ or ___
liquid
solid
gas
Nonmetals are
shiny
dull
Nonmetals are __ conductors of heat and electricity
Good
Poor
Nonmetal form
(a)
Nonmetals __ electrons in bonds
lose
gain
Metalloids are also known as
(a)
Metalloids are __ metals and nonmetals
Both
neither
Metalloids are the ___ elements
stair step
bottom
Alkali Metals are (expect Hydrogen)
1A
2A
7A
Alkali Metals are the __ __ metal family
most reactive
Least reactive
Alkali Metals have _ valence electron/s
1
2
4
7
Alkali Earth Metals are
1A
2A
7A
Alkali Earth Metals are _ than alkali metals
more reactive
Less reactive
Alkali Earth Metals have _ valence electron/s
1
2
4
7
Transition Metals is __ group (no A listed)
1
13
3-12
6-12
Transition Metals are (a) metals
Transition Metals have __ valence electrons
varies
6
9
2
Inner Transition Metals are __ elements
Radioactive
nonradioactive
Inner transitions two series are
Lanthanide
Halogen
Actinide
Noble Gas
Halogens are the most _ nonmetal
(a)
Halogens are
Metals
Semimetals
nonmetals
Halogens group __
1A
2A
7A
Halogens have _ valence electrons
1
2
5
7
Noble Gases are Group
8A
7A
2A
1A
Noble Gases are the __ elements
Reactive
non reactive
Noble Gases are (a) gases
Noble gases have a __ valence shell
Full
empty
Diatoms are only stable as __ atoms bonded together
3
2
4
There are __ diatomic elements
7
3
6
2
The 7 Diatomic elements
Bromine
Iodine, Nitrogen
Oxygen
Chlorine, Hydrogen
Fluorine
