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Atoms and the Periodic Table
Atoms and the Periodic Table
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Periodic Table Review
Flashcards
29 cards
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Practice quiz
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Questions
29
Answers
1
atoms that gain or lose electrons are called...
metals
isotopes
ions
2
Valence electrons determine an atom's...
reactivity
electric charge
mass
3
What is the center of an atom called?
Nucleolus
Neucleui
Nucleus
4
Two different Isotopes of an element have different...
number of protons
Atomic numbers
number of neutrons
5
We also call the columns on a period table...
groups
families or groups
periods
big tall things
6
Which side of the periodic table are non metals located?
Left
Right
Middle
7
Which period is Vandium in?
2
4
3
8
Atoms are made up of
All of the Above
Electrons
Protons
Neutrons
9
An elements atomic number is equal to its....
valence electrons
neutrons
protons
10
A sodium atoms has how many electrons in the outer most energy level?
4
2
1
3
11
Elements that have one valence electron are very...
ionic
reactive
neutral
12
Which element is this?
Boron
Carbon
Nitrogen
13
The charge of an atom is
Positive
Negative
Neutral
14
Oxygen's atomic number is 8, therefore, Oxygen has:
8 neutrons
a mass of 8
a total of eight protons and neutrons
eight protons in the nucleus
15
Each element in the same period shares the same
Number of Protons
Number of Energy Levels
Average Atomic Mass
16
The order of elements in the periodic table is based on the
the number of neutrons in the nucleus
number of protons in the nucleus
the electric charge of the nucleus
17
What is the coolest element?
hedtkeium
bromine
coolium
calcium
18
All atoms want....
to gain electrons
lose electrons
have a full outer shell
19
Carbon is an example of a....
non-metal
Gas
Metal
20
Which particles are located in the center of an atom?
Protons and Electrons
Electrons and Neutrons
Protons and Neutrons
Just Protons
21
Which element has 13 protons?
carbon
Nitrogen
Aluminum
22
Which of the following elements is an alkali metal?
Potassium
Magnesium
Mercury
23
As you move from left to right across the periodic table...
become less metallic
have fewer protons
have a lower atomic weight
24
What is the mass number of an element that has 19 protons, 19 electrons, 20 neutrons?
58
19
20
39
25
What is the mass number of fluorine?
9
19
18
26
Atoms in the same group have the same number of...
Valence Electrons
Neutrons
Protons
27
Which element has 50 protons?
Chromium
Tin
Vandium
28
How many valence electrons does Sulfur have?
16
6
3
29
Which subatomic particle is negative?
electron
positive
neutral
