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Chemistry: Periodic Table Flashcards | StudBud
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Chemistry: Periodic Table
Chemistry: Periodic Table
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Chapter 3
Flashcards
39 cards
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Practice quiz
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Questions
39
Answers
1
The atomic number of an element is based on the
a. mass of its nucleus.
d. number of neutrons in its nucleus.
b. number of electrons around its core.
c. number of protons in its nucleus.
2
How many protons and neutrons are in the nucleus of a potassium Atom?
19 and 20
19 and 19
19 and 39
3
The factor that determines how an atom interacts with other atoms is its
a. number of protons.
c. atomic mass.
d. number of valence electrons.
b. number of neutrons.
4
The property of an element that indicates the number of protons in its atoms is the
atomic mass
atomic number
chemical symbol
chemical name
5
How many electron shells does Aluminum have?
2
1
3
4
6
Which of the following statements about metals is true?
d. Metals do not react with oxygen.
a. Metals need to be stored in sealed containers for safety.
c. Metals are highly reactive substances.
b. Metals show a wide range of chemical properties.
7
How many electrons are in an atom of Aluminum?
13
27
40
14
8
Which of these statements about a column of the periodic table is true?
The elements have the same atomic number.
The elements have similar properties.
The elements have the same atomic mass.
The elements have a wide range of properties.
9
The elements that do not ordinarily form compounds are
a. the carbon family.
b. metals.
c. halogens.
d. noble gases.
10
What number would go in the missing spot?
108
61
47
11
At room temperature, all the metalloids are solids, while most nonmetals are _________________.
gas
solid
plasma
liquid
12
What information in the periodic table indicates the number of protons in an atom?
a. the position of the element in its column
b. the element’s chemical symbol
d. the element’s atomic mass
c. the element’s atomic number
13
In the periodic table, the most reactive metals are found
a. in Group 1, the first column on the left.
b. in Period 1, the first row across the top.
c. in Groups 13 through 16 in the center.
d. in Periods 6 and 7 at the bottom.
14
How many protons are in an atom of Carbon?
4
6
18
12
15
Which part(s) of the atom move around the nucleus?
b. electrons
c. protons
d. neutrons
a. atomic mass units
16
The two most common alkaline earth metals are
b. iron and silver.
d. calcium and magnesium.
a. copper and zinc.
c. sodium and potassium.
17
At room temperature, more than half of the nonmetal elements are
a. alloys.
b. gases.
c. liquids.
d. solids.
18
Group 17 are known as……
alkali metals
noble gases
alkaline earth metals
halogens
19
How many electrons are in an atom of Neon?
10
30
20
21
20
Where are nonmetals located on the periodic table?
d. in Groups 1 through 4
c. in the two bottom rows
a. to the left of the zigzag line
b. to the right of the zigzag line
21
Which of the following statements about transition metals is true?
c. They are so soft that they can be cut with an knife.
They are so similar it’s hard to find differences among them
a. They are never found uncombined in nature.
d. They are the most reactive of all the types of metals.
22
Which of the following is NOT a physical property of most metals?
d. being malleable
c. being a liquid at room temperature
a. being ductile
b. being good energy conductors
23
An element’s ____________________ can be predicted from its location in the periodic table.
properties
color
atomic mass
size
24
Group 1 are know as………….
halogens
noble gases
alkali metals
alkaline earth metals
25
What number would go in the missing spot?
78
44
34
26
The chemical reactivity of metals tends to _______from left to right across the periodic table.
decrease
increase
stay the same
27
Most metals are in the ____________________ state at room temperature.
solid
gas
plasma
liquid
28
The elements in a row of the periodic table
d. are in the same period.
b. have the same or nearly the same properties.
a. are in the same family.
c. have the same average atomic mass.
29
Group 18 are known as…..
halogens
alkali metals
noble gases
alkaline earth metals
30
Fluorine, chlorine, bromine, and iodine are part of a group called
d. alkali metals.
b. metalloids.
c. halogens.
a. noble gases.
31
Elements that transmit electricity and heat easily are called good ____________________.
semi-cnductors
conductors
ductile
malleable
32
Mendeleev discovered that patterns appeared when arranging the elements in order of increasing
number of neutrons
atomic number
atomic mass
33
Group 2 are known as……..
noble gases
alkali metals
alkaline earth metals
halogens
34
From an element’s location in the periodic table, you can predict
d. when it was discovered.
a. its properties.
c. its chemical symbol.
b. its chemical name.
35
How many neutrons are in an atom of Carbon?
4
6
12
18
36
Nonmetals are ____________________ conductors of heat and electricity.
good
bad
37
Group 16 are known as……
halogens
oxygen family
carbon family
nitrogen family
38
How many neutrons are in an atom of Aluminum?
14
13
40
27
39
Which member of the carbon family is a nonmetal?
a. carbon
d. lead
c. tin
b. silicon
