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Atoms and the Periodic Table
Atoms and the Periodic Table
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A 7th grade science Quiz to review atoms and the periodic table.
Flashcards
24 cards
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Practice quiz
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Questions
24
Answers
1
Using the periodic table square for chlorine, what is the atomic mass of chlorine?
36
17
18
35.453
2
Protons are positive.
True
False
3
The number of protons and electrons are equal to the Atomic Number.
False
True
4
Using the periodic table square for chlorine, how many neutrons does a chlorine atom have?
17
35.453
36
18
5
To find the number of neutrons in an atom, you must _______________
Subtract protons from electrons
Look at the atomic number
Subtract atomic number from atomic mass
Look at the atomic mass
6
Which subatomic particles are in the nucleus of an atom?
Electrons & Neutrons
Protons & Electrons
Neutrons & Protons
Valence Electrons
7
Which is a chemical property?
Malleability
Color
Luster
Ability to rust
8
Which of the following is not a subatomic particle found in an atom?
Proton
Electron
Positron
Neutron
9
What is the smallest particle of an element, made of electrons, protons, and neutrons?
Metal
Nonmetal
Nucleus
Atom
10
How many families are there on the Periodic Table?
3
119
7
18
11
An atom has 12 protons. What element is it?
Magnesium
Zinc
12
Carbon
12
Neutrons are negative
True
False
13
The number of protons is the same as the ____________.
atomic mass
valence electrons
energy levels
atomic number
14
Which element is in the same period as Sulfur?
Oxygen
Nitrogen
Phosphorous
Selenium
15
Which color represents the protons of the atom?
white
green
red
16
As you move from left to right, across the Periodic Table, what happens to the atomic number?
It decreases
It stays the same
It increases
17
What period number is Be (Beryllium) in?
3
1
2
4
18
I am ready for the quiz.
True
False
19
Which color(s) represent the subatomic particle(s) that contribute to the mass of the atom?
red and white
green
red, white, and green
red
20
What subatomic particle has a positive charge?
Electrons
Protons
Neutrons
Valence Electrons
21
What is the smallest particle of an element, made of electrons, protons, and neutrons?
Nonmetal
Metal
Atom
Nucleus
22
Using the periodic table square for chlorine, how many protons does a chlorine atom have?
35.453
17
36
18
23
Which family/group of the Periodic Table has elements that won't combine with other elements- Noble Gases?
4
1
17
18
24
Using the diagram or your PT, how many protons does Fluorine have?
18.99
19
9
2