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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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1
Protons have a ________________ charge
positive
negative
neutral
2
Elements in the same columns have properties that are
not alike
the same
similar
3
The vertical columns of the periodic table are called
groups
rows
periods
columns
4
The period number equals the number of
protons
energy levels
valence electrons
neutrons
5
How was the periodic table first organized?
by atomic mass
up and down
left to right
by atomic number
6
The atomic number is equal to the number of:
electrons
neutrons
protons + neutrons
protons
7
Electrons have a _____________ charge
negative
positive
neutral
8
The atomic mass is equal to
protons + electrons
neutrons + electrons
electrons + neutrons
protons + neutrons
9
What element is in period 4 group 7
Manganese
Bromine
Chlorine
Rutherfordium
10
The element Argon is a
Noble Gas
Alkaline Earth Metal
Alkali Metal
Halogen
11
What is the atomic number for Tin?
22
34
38
50
12
Which scientist came in and rearranged the periodic table by atomic number?
Henry Moseley
J.J Thompson
Dmitri Mendeleev
Ernest Rutherford
13
Sb is the symbol for
Tin
Antimony
Sulfur
Silver
14
The elements in Group 4A have how many valence electrons?
4
3
1
2
15
Who was the first scientist to discover the periodic table?
Ernest Rutherford
Dmitri Mendeleev
Henry Moseley
J.J. Thompson
16
Nonmetals are ____________ at room temperature
solid or liquid
highly reactive
solids only
solids, liquids or gases
17
Electrons in the outermost shell are
positive electrons
neutral electrons
sublevels
valence electrons
18
Metals are located to the_______________
right of the zigzag line
along the zigzag line
left of the zigzag line
19
The rows in the periodic table are called
columns
rows
groups
periods
20
Elements are different from one another because they have a different
number of protons
number of neutrons
number of electrons
