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2018 Atoms & Periodic Table Review Flashcards | StudBud
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2018 Atoms & Periodic Table Review
2018 Atoms & Periodic Table Review
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A review of atomic basics and an overview of the periodic table
Flashcards
49 cards
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Practice quiz
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Questions
49
Answers
1
Which elements have some properties of metals and some properties of nonmetals
Halogens
Transition Metals
Metalloids
2
24.305 is this element's
Atomic number
Element name
Atomic mass
Chemical symbol
3
Protons have a _____________ charge
Positive
Negative
Neutral
4
What element is this a picture of?
Oxygen
Nitrogen
Carbon
Beryllium
5
The metals are found where on the periodic table
Zig-zag / Stairstep
Left Side
Right Side
6
The number of protons always equals the number of neutrons
True
False
7
The smallest particle into which an element can be divided and retain properties of the element
Atom
Nucleus
Electron
8
Electrons are found in the ______________
valence electrons
electron cloud
nucleus
9
The nucleus of an atom is ...
positive because of the protons within it.
negative because of the electrons within it.
neutral because of the protons and electrons within it.
neutral because of the protons and neutrons within it.
10
From an element's location on the periodic table, you can predict it's __________
Chemical Symbol
Chemical Name
Properties
11
The metalloids are found where on the periodic table?
Left Side
Zig-zag / Stairsteps
Right Side
12
Groups/families in the periodic table have elements with the same______________
Atomic Number
Atomic Mass
Characteristics
13
The "12" in the picture represents the element's
Atomic Mass
Chemical Name
Chemical Symbol
Atomic Number
14
The halogen family...
is made of nonmetals.
elements are highly reactive.
elements have 7 valence electrons.
none of the above.
15
What is the mass of a proton?
1 amu
1/2 amu
10 amu
100 amu
16
Neutrons have a _____________ charge
Positive
Negative
Neutral
17
Protons have a _____________ charge
Positive
Neutral
Negative
18
The atomic mass can be a decimal in a model.
True
False
19
Which of the following lists three elements?
Neon, tungsten, gold
Salt, carbon dioxide, water
Solids, liquids, gases
20
Halogen atoms naturally combine with Alkali Metal atoms because of their valence electrons.
False
True
21
To find the number of NEUTRONS
Atomic number - protons = neutrons
Atomic mass - atomic number = neutrons
Atomic mass - electrons = neutrons
Atomic mass - protons = neutrons
22
Which particle has an extremely small mass and, therefore, isn't included in the atomic mass?
Electron
Neutron
Proton
23
A chemical symbol usually has
Two or three letters
Three or four letters
One or two letters
24
Fluorine, chlorine, bromine, and iodine are part of a family called
Alkali metals
Noble gases
Halogens
25
Atoms having the same reactivity will...
be in the same family.
be found in the same period
be found in the same group.
have the same number of valence electrons.
26
A carbon atom with 6 protons, 8 neutrons, and 6 electrons would have a mass number of
20
14
12
6
27
An atom is made up of mostly empty space
False
True
28
Elements on the periodic table are arranged in order of
Increasing atomic number
Decreasing density
Decreasing atomic number
Increasing density
29
Atomic mass is measured in
atomic mass units (amu)
nuclear mass units (nmu)
atomic weight units (awu)
30
The number of protons equals the number of
Nucleus
Electrons
Neutrons
31
The atomic number of an element is based on the
Number of electrons around the nucleus
Number of protons in the nucleus
Number of neutrons in the nucleus
32
How many groups are there on the periodic table?
12
18
16
33
Which of the following is NOT evidence of a chemical reaction?
A silver plate tarnishing.
Cupcakes baking in the oven.
An immediate temperature change.
An aspirin dissolving in water.
34
In general, which of the following statements about metals is true?
Metals need to be stored in sealed containers for safety
Metals do not react with oxygen
Metals are malleable, ductile, and can conduct electricity
35
How many periods on the periodic table?
6
5
8
7
36
At room temperature, more than half of the NONMETAL elements
Liquids
Solids
Gases
37
Beryllium has an atomic mass of 9.0 amu--how many neutrons does it have?
5
4
36
13
38
The NUCLEUS of an atom has what charge?
Neutral
Positive
Negative
39
Most metals are in the __________ state at room temperature
Gas
Solid
Liquid
40
Which group contains the most elements
Metalloids
Nonmetals
Metals
41
In the periodic table, the most reactive metals are found in:
Groups 13-15 in the center
Period 1, the first row across the top
Group 1, the first column on the left
42
The nonmetals are found where on the periodic table?
Right Side
Left Side
Zig-zag / Stairstep
43
Electrons have a ___________ charge
Positive
Negative
Neutral
44
The horizontal rows in the periodic table are known as groups
False
True
45
What information in the periodic table indicates the number of protons in an atom?
The element's atomic number
The element's chemical symbol
The element's atomic mass
46
Atomic MASS is made up of ________ and __________
Protons and neutrons
Neutrons and electrons
Protons and electrons
47
Group 18 on the periodic table is known as the:
Awesome Gases
Royal Gases
Noble Gases
48
What parts of an atom move around the nucleus?
Electrons
Neutrons
Protons
49
Atoms can be identified by...
the number of electrons
the number of neutrons
the number of protons
the number of protons and neutrons
