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Chemistry Review Flashcards | StudBud
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Chemistry Review
Chemistry Review
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Atoms, Ions, Periodic Table, and Isotopes
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
What is the group name of Lettered Section H?
Nobles Gases
Halogens
Oxygen group
Halogens group
2
What does the X represent in a Nuclear Symbol?
X = Element Symbol
X = Mass number
X = Charge
X = Atomic Number
3
What does the following nuclear symbol reveal about the particle?
109
47
Ag
+1
The atomic number is 109.
The atomic number is 47.
The mass number is 47.
There are 47 neutrons.
4
The number of protons in the nucleus of an atom is called its...
atomic number.
valence number.
mass number.
isotope number.
5
What is the name of Lettered Section K?
Transition Metals
Alkali Metals
Other Metals
Inner Transition Metals
6
Which element is the most abundant in both the human body and the Earth?
Hydrogen
Water
Carbon
Oxygen
7
What is the name of Lettered Section J?
Hydrogen
Halogens
Alkaline Earth Metals
Alkali metals
8
The periodic law states that…
there is a repetition of the physical and chemical properties of elements.
the properties of the elements are functions of atomic mass.
all elements in the same group have the same number of valence electrons.
all elements within the same group occupied the same energy levels.
9
Which of the following symbols does NOT match the element name given?
Au = Gold
Fe = Iron
Cu = Copper
He = Mercury
10
How many valence electrons do the elements in Lettered Section C have?
1 valence electron
Various number of valence electron
2 valence electrons
3 valence electrons
11
In the modern periodic table, elements are arranged in order of…
when they were discovered.
increasing average atomic mass.
increasing atomic number.
the alphabet.
12
The type of elements in Lettered Section G...
are all metalloids.
are all metals.
are all nonmetals.
are nonmetals, metalloids, and metals.
13
Which lettered section has only nonmetal elements?
Letter A
Letter H
Letter B
Letter I
14
What does the Z represent in a Nuclear Symbol?
Z = Atomic Number
Z = Mass number
Z = Charge
Z = Element Symbol
15
Which of the following elements is a Noble Gas?
Helium (He)
Chlorine (Cl)
Silicon (Si)
Bromine (Br)
16
Atoms of the same element that have the same atomic number, but different mass numbers, are called...
isotopes.
ions.
neutral atoms.
neutrons.
17
The type of elements in Letter Section C...
are all metals.
are all metalloids.
are all nonmetals.
are nonmetals, metalloids, and metals.
18
How many valence electrons do the elements in Lettered Section H have?
Various number of valence electron
1 valence electron
7 valence electrons
17 valence electrons
19
Which of the following elements is classified as a metalloid?
Lithium (Li)
Silicon (Si)
Helium (He)
Bromine (Br)
20
Na, K, Li, and Cs share similar chemical properties. In the Periodic Table, they most likely belong to the same...
Group
Element
Row
Period
21
What does the Y represent in a Nuclear Symbol?
Y = Charge
Y = Mass number
Y = Atomic Number
Y = Element Symbol
22
What two things must be equal in an electrically neutral atom?
Atomic Number and Mass number
Protons and Electrons
Charge and Mass number
Protons and Neutrons
23
Atoms of the same element that have the same atomic number, but different numbers of electrons, are called...
neutral atoms.
ions.
neutrons.
isotopes.
24
Which lettered section has 2 valence electrons?
Letter A
Letter H
Letter I
Letter B
25
The mass number of an element is equal to...
the average mass of the element.
the atomic number of the element.
the number of neutrons per atom.
the number of protons plus the number of neutrons.
26
What is the correct symbol for an electron?
e-
n0
E-
p+
27
Which color of visible light has the most energy?
Red
Blue
Violet
Green
28
Which of the following elements is classified as a metal?
Silicon (Si)
Bromine (Br)
Helium (He)
Sodium (Na)
29
What does the A represent in a Nuclear Symbol?
A = Charge
A = Element Symbol
A = Atomic Number
A = Mass number
30
Which lettered section has 7 valence electrons?
Letter I
Letter A
Letter H
Letter B
