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Periodic Table
Periodic Table
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periodic table
Flashcards
30 cards
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Questions
30
Answers
1
The periodic table is arranged in order of ______.
atomic number
discovery
atomic radius
atomic mass
2
How many GROUPS are in the periodic table?
12
18
3
7
3
A ______ is usually a gas or solid brittle that poor conductor of electricty and heat.
metalloid
metal
semiconductor
nonmetal
4
What are the elements of groups 3-12 known as?
representative elements
transition elements
inner transition elements
5
What is the element with the least atomic mass?
Pb (lead)
H (hydrogen)
O (oxygen)
U (uranium)
6
What are the horizontal rows of elements on the periodic table called?
Groups
Rows
Periods
Columns
7
How many periods are in the periodic table?
20
7
9
18
8
What are the elements in groups 1,2 & 13-18 known as?
representative elements
transition elements
inner transition elements
9
What are the two separate rows of elements at the bottom of the periodic table known as?
representative elements
inner transition elements
transition elements
10
How many electrons are in an atom of iron?
26
30
82
56
11
What are the vertical columns of elements on the periodic table called?
Groups
Columns
Rows
Periods
12
This element has the lowest melting point of any metal and is liquid at room temperature.
water
bromine
mercury
gold
13
All transition elements are ____.
metalloids
metals
cool
nonmetals
14
What is the mass number of the element below?
56
30
26
82
15
Elements that have similar physical and chemical properties are in a ______.
series
period
group
16
What are elements that are made in a laboratory are known as?
awesome elements
synthetic elements
labratory elements
elements can not be made in a lab
17
A _____ has properties of metals and nonmetals.
nonmetal
semiconductor
metal
metalloid
18
What is the positively charged subatomic particle of an atom?
proton
electron
neutron
nucleus
19
How many weeks are in one year?
52
15
70
33
20
How many protons are in an atom of iron?
56
82
26
30
21
What is the best college basketball school?
UCLA
DUKE
UNC
KU
22
What is the negatively charged subatomic particle of an atom?
proton
nucleus
neutron
electron
23
True of false: Nonmetals are GOOD conductors of heat and electricity.
true
false
24
What is the neutral subatomic particle of an atom?
neutron
electron
proton
Nucleus
25
What is the atomic number of the element below?
21
14
7
26
What does the atomic number tell you?
number of neutrons
Number of protons
sum of protons and electrons
sum of protons and neutrons
27
A _____ is shiney and usually conducts electricity well.
metal
metalloid
nonmetal
28
How many neutrons are in an atom of iron?
82
56
30
26
29
What is the atomic symbol for potassium?
K
19
Potassium
P
30
section of the periodic table consisting of 8 groups, including metals, nonmetals, & metalloids
alkali metals
noble gases
representative elements
transition elements
