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Atoms and The Periodic Table
Atoms and The Periodic Table
20 terms
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StudBud Administration
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A review of the atom and its components and placement on periodic table.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
The identity of a chemical element is determined by which of the following?
The number of electrons it possesses
The number of neutrons it possesses
The number of protons it possesses
The sum of the number of protons and neutrons it possesses
2
What element is this?
Argon
Zirconium
Calcium
Potassium
3
Which of the following is the atomic number of the atom represented in the above graphic?
11
23
10
12
4
What types of particles are found in the cloud surrounding the atom’s nucleus?
Neutral particles & positively charged particles
Positively charged particles only
Negatively charged particles only
Positively charged particles & negatively charged particles
5
Why does the atomic number determine an atom's identity?
It tells you number of electrons in the nucleus of an atom
It tells you number of protons in outside of an atom
It tells you number of protons in the nucleus of an atom
It tells you number of neutrons in the nucleus of an atom
6
Which of these is NOT found in the nucleus of an atom?
Protons
Electrons
Atomic Mass
Neutrons
7
Which of the following is not a metalloid?
Polonium
Aluminum
Arsenic
Silicon
8
The elements in Period 4 on the Periodic Table are arranged in order of increasing
number of valence electrons
number of occupied shells of electrons
atomic number
atomic radius
9
Which student named parts of an atom that determine identity and chemical properties correctly?
Student 1
Student 4
Student 3
Student 2
10
The mass of the atom comes from the
electrons and protons
neutrons and protons
electrons and neutrons
neutrons and positrons
11
The subatomic particle with a positive charge is
positron
neutron
electron
proton
12
What characteristic of an element’s atom always determines the element’s identity?
The number of valence electrons
The number of protons
The number of neutrons
The location of valence electrons
13
The vertical columns on periodic table are ___ and elements in it have same ___?
Groups/Properties
Periods/Properties
Groups/# of energy shells
Periods/# of energy shells
14
Phosphorus has an atomic number of 15 and a mass number of 31. How many neutrons does it have?
0
31
16
15
15
The quantity of which subatomic particle determines the element’s identity?
Total electrons
Neutrons
Protons
Valence electrons
16
Which of the following statements is best used to identify the element in the model above?
The atom has 10 subatomic particles so this is element Neon
The atom has 4 neutrons, which makes this element as Lithium
The atom has mass number of 7, so this element is Nitrogen.
The atom has 3 protons, which makes this element Lithium.
17
How many protons are in one atom of the element shown above?
131
208
77
54
18
How did Mendeleev arrange the first periodic table of elements
By atomic number
By groups
By atomic mass
By periods
19
Why shouldn't you believe atoms?
They make up everything
They are so cute
They are liars
They are so small
20
The horizontal rows on the periodic table are ___ and have the same ___?
Periods/valence electrons
Groups/valenece electrons
Groups/energy shells
Periods/energy shells
