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The Periodic Table SMS Wells 8th Flashcards | StudBud
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The Periodic Table SMS Wells 8th
The Periodic Table SMS Wells 8th
35 terms
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#8thgrade #periodictable #groupnames #metals #nonmetals #metalloids #valenceelectrons #energylevels
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Questions
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Answers
1
An element's Atomic Number indicates
number of neutrons
number of protons
number of neutrons and protons
number of electrons
2
The word malleable means that a material
can withstand extreme temperatures.
can be hammered into a thin sheet.
can be stretched into a wire.
can transfer heat.
3
Period number indicates
how many valence electrons an atom has.
how many orbitals an atom has.
4
Which group contains the least number of elements?
Metals
Non Metals
Metalloids
5
Mass number =
electrons + quarks
protons + quarks
protons + neutrons
protons + electrons
6
On what period would this element be found?
3
4
1
2
7
How many valence electrons does N have?
5
7
6
8
8
What group does this element belong to?
1
3
4
2
9
What period does this element belong to?
4
2
3
1
10
How many orbitals does Cl have?
1
4
2
3
11
What is the name of the family highlighted in red?
alkaline earth metals
Noble gases
Halogens
Transitions
12
What element is this?
Mg
Li
Al
Na
13
Periods are
Groups
Horizontal rows
Families
Vertical columns
14
Groups or Families are
Horizontal rows
Vertical columns
15
What is the group of elements that does not follow the rule of valence electrons?
Metalloids
Transition Metals
Metals
Noble Gases
16
Which of the following describes metals?
conductors
all of the above
malleable
ductile
17
What is the name of the family highlighted in yellow?
Halogens
Fluorine Group
Noble gases
Alkali Metals
18
How many orbitals does K have?
4
1
3
2
19
Isotopes are atoms of the same element that have different numbers of
all of the above
electrons
neutrons
protons
20
How many of the known elements are man made?
24
118
94
8
21
Which of the following is a characteristic of metals?
liquid at room temperature
poor conductors
on the right side of the stair step
ductile and malleable
22
Which of the following elements is a Halogen?
Neon
Chlorine
Boron
Hydrogen
23
Which elements have similar properties?
Elements in the same group
Elements in the same period
24
Which of the following elements is a Noble Gas?
Oxygen
Carbon
Helium
Chlorine
25
Valence electrons
are the electrons closest to the nucleus.
are only the electrons in the outer shell.
are all of the electrons in the electron cloud.
26
Which element has 3 shells and 2 valence electrons?
B
Mg
K
Ca
27
Which of the following is true?
The number of protons and quarks in an atom are the same.
The number of electrons and neutrons in an atom is the same.
The number of protons and neutrons in an atom is the same.
The number of protons and electrons in an atom are the same.
28
Quarks are particles that make up
Electrons
Protons and Neutrons
Protons ONLY
Neutrons ONLY
29
Which of the following describes elements in family 15?
they all have 5 valence electrons
they all have 5 orbitals
they all have 15 orbitals
they all have 15 valence electrons
30
What element is this?
Na
Al
F
Mg
31
Which element is in period 5 group 17?
Bromine
Iodine
Xenon
Fluorine
32
Metalloids
none of the above
all of the above
have characteristics of non metals
have characteristics of metals
33
How many valence electrons does Ar have?
8
7
6
5
34
In which family would this element belong?
3
1
4
2
35
Group number indicates
how many orbitals an atom has
how many valence electrons an atom has
