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Atoms & Periodic Table Review Flashcards | StudBud
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Atoms & Periodic Table Review
Atoms & Periodic Table Review
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Atoms and Elements #atoms #elements #periodictable
Flashcards
47 cards
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Questions
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Answers
1
The scientist who developed the periodic table is:
Dmitri Mendeleev
Gregor Mendel
Archimedes
Democritus
2
What is the number of Protons for this element?
9
19
18.998
10
3
Metals are usually
malleable
shiny
All of the above
ductile
4
What is the number of Neutrons for this element?
19
35
17
35.453
5
The horizontal rows of the Periodic table are called?
Left and Right
Periods
Sections
Groups
6
What is the number of Electrons for this element?
35.453
17
19
35
7
Protons carry what type of charge?
Positive
The best charge
Negative
Neutral (No charge)
8
Which group are the halogens?
1
17
2
18
9
Which group are the noble gases?
18
17
2
1
10
In an atom, which particles orbit the nucleus?
Both Neutrons and Protons
Protons
Neutrons
Electrons
11
What is the Atomic Mass for this Element?
15.999
Oxygen
8
O
12
Which of the following symbols is NOT a possible element symbol?
XY
Xy
All can be an element symbol.
X
13
A material that can pounded flat into or into shapes or flat sheets is considered
ductile
brittle
soft
malleable
14
What is the Atomic Mass for this element?
34
78.96
Se
Selenium
15
How do you find the number of protons in a specific element?
Same as atomic number
Atomic mass minus atomic number
Same as atomic mass
Atomic number divided by 2
16
What is the Element Name for this element?
Oxygen
8
15.999
O
17
What is the Symbol for this Element?
O
15.999
8
Oxygen
18
What is the number of Electrons for this element?
19
9
10
18.998
19
The first element in a period is an extrememly
reactive metal
reactive nonmetal
nonreactive metal
nonreactive nonmetal
20
Neutrons carry what type of charge?
Neutral (No charge)
The best charge
Negative
Positive
21
Which of the following statements is TRUE?
Only protons contribute mass to an atom
Protons + neutrons contribute mass to an atom
Protons PLUS electrons contribute mass to an atom
Electrons contribute mass to the an atom
22
What is the Atomic Number for this element?
Se
78.96
34
Selenium
23
Electrons carry what type of charge?
Positive
Neutral (No charge)
The best charge
Negative
24
Nonreactive nonmetal family:
noble gas
Alkaline earth
Alkali
halogen
25
What is the Atomic Number for this Element?
8
O
Oxygen
15.999
26
How do you find the number of electrons in a specific element?
Same as atomic number and protons
Atomic number divided by 2
Atomic mass minus atomic number
Same as atomic mass
27
Most reactive metal family:
alkali, Group 1
alkaline earth, Group 2
halogen, Group 17
noble gas, Group 18
28
The vertical columns of the Periodic table are called?
Families
Periods
Sections
Groups
29
What is the Element Symbol for this element?
Selenium
78.96
34
Se
30
How do you find the number of neutrons in a specific element?
Same as atomic mass
Atomic mass minus atomic number
Atomic number divided by 2
Same as atomic number
31
In an atom, which particles make up the nucleus?
Protons
Both Neutrons and Protons
Neutrons
Electrons
32
Which of the following is
NOT
a definition of a metalloid?
Has properties of metals and nonmetals
Located ONLY left of the zig-zag line
Located along the zig-zag line
Located ONLY right of the zig-zag line
33
What is the Element Name for this element?
34
Se
78.96
Selenium
34
Which of the following is
NOT
a definition of a metal?
Located Left of the zig-zag line
Solids at room temperature
good conductors of heat and electricity
Located right of the zig-zag line
35
Nonmetal solids are
shiny
dull
semiconductors
brittle
36
Which group is the alkali metals?
1
17
2
18
37
Which of the following is
NOT
a definition of a nonmetal?
Located Left of the zig-zag line
Solids or liquid at room temperature
poor conductors of heat and electricity
Located right of the zig-zag line
38
What is the number of Protons for this element?
35.453
19
17
35
39
What percent of elements do you think are probably metals?
100%
25%
75%
50%
40
Elements that lack (do not have) the properties of metals are
metalloids
semiconductors
conductors
nonmetals
41
The properties of each element can quickly be predicted from its_______ in the periodic table.
row
location
atomic mass
number
42
What is the number of Neutrons for this element?
18.998
9
19
10
43
What is a simple substance that cannot be broken down into simpler substances?
Element
Compound
Mixture
Matter
44
An element that can conduct electricity under only some conditions is a(n)
nonmetal
condcutor
alloy
semiconductor
45
Something that can be drawn into a wire is_______.
metalloid
brittle
ductile
malleable
46
The last element in a period is a
very reactive metal
nonreactive metal
reactive nonmetal
nonreactive nonmetal
47
Which part of the atom determines how atoms react with each other?
Protons
Valence electrons
All atoms react the same
Neutrons
