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Periodic table Flashcards | StudBud
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Periodic table
Periodic table
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Mostly questions about the parts of the periodic table, some atomic theory
Flashcards
18 cards
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Questions
18
Answers
1
Members of the same group on the periodic table all have the same number of
valence electrons
neutrons
energy levels
protons
2
Group 1A is known as the ____
noble gases
alkali metals
transition metals
alkaline earth metals
3
Group--- are called the halogens or "salt formers"
1A
13
8A
7A
4
Oxygen and Sulfur are both in group 6 A, so they have ___ valence electrons
8
6
2
8 or 16
5
How many neutrons does this atom have?
14
6
8
20
6
How many electrons does this neutral atom have
6
20
14
8
7
This is an accurate Bohr model of carbon
False
True
8
Discovered electrons and formed the plum pudding model of the atom
Niels Bohr
J J Thomson
Ernest Rutherford
John Dalton
9
This is an accurate Bohr model for nitrogen (group 5A)
True
False
10
Aluminum is in group 3A. How many valence electrons does it have?
3
13
8
10
11
Which is an element
carbon dioxide (CO2)
Gold (Au)
water (H2O)
salt (NaCl)
12
Which are extensive physical properties
mass and volume
color and luster
hardness and malleability
density
13
What is a column in the periodic table called?
valence
group or family
orbital
period
14
Oxygen is in group 6A. How many valence electrons does it have?
4
6
8
10
15
Helium is in group 8A and but has 2 valence electrons
False
True
16
These atoms are ____
ions
a family
isotopes
transition
17
Which is NOT an element
neon
oxygen
water
nitrogen
18
Carbon is in group 4A. How many valence electrons does it have?
4
6
8
2
