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Organizing the Elements Flashcards | StudBud
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Organizing the Elements
Organizing the Elements
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A review of atoms, elements and the Periodic Table
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
About how many elements are in the Periodic Table?
over 300
over 200
over 100
50
2
What is the atomic mass of Hydrogen?
1.0079
4.0026
9.0122
6.941
3
What is the correct term for the smallest particle that can still be considered an element?
atom
proton
electron
isotope
4
What is the chemical symbol for Helium?
H
He
Hf
Hm
5
What is the term for the very small, dense center of an atom?
proton
electron cloud
neutron
nucleus
6
Wha is the chemical symbol for Sodium?
S
Na
Si
N
7
What are the rows in the Periodic Table called?
clusters
groups
periods
columns
8
The atomic number is the number of __________ in the nucleus of an atom.
elements
neutrons
electrons
protons
9
What is the atomic mass of Nitrogen?
14.007
15.999
20.179
18.998
10
What is the atomic number for Copper?
26
30
27
29
11
Who developed the Periodic Table?
Rutherford
Mendeleev
Thomson
Bohr
12
What is the atomic number for Carbon?
7
9
6
8
13
What are the columns in the Periodic Table called?
periods
groups
clusters
families
14
Which is not one of the major groups of elements?
mixed metals
nonmetals
metals
metalloids
15
When was the first version of the Periodic Table created?
1869
1859
1889
1879
16
Mass number is the sum of _____________ and ___________ in the atom
protons, neutrons
protons, electrons
electrons, neutrons
elements, neutrons
17
What is the chemical symbol for calcium?
Cl
Ca
C
Cr
18
What is the term for atoms with the same number of protons and different numbers of neutrons?
nucleus
electron cloud
isotope
proton
19
What is the atomic number for Potassium?
18
20
19
21
20
What is the atomic mass of Zinc?
63.546
58.933
65.38
58.69
21
An element's identity can be determined from its ?
number of isotopes
atomic number
number of neutrons
energy levels
22
The Periodic Table is organized into ____________ and _____________
rows, columns
levels, groups
periods, columns
periods, groups
23
The atomic mass of an element is the average mass of all of the ____________ of the element.
neutrons
protons
electrons
isotopes
24
What is the term for negatively charged particles?
neutrons
electrons
protons
elements
25
How many major groups are the elements in the Periodic Table broken into?
5
4
2
3
26
Why is the Periodic Table useful?
helps predict an element's properties
it's a reference model with names and symbols of elements
for classifying elements
all of the above
27
What is not a piece of information found in the Periodic Table?
atomic mass
chemical symbol
atomic number
reaction times
28
What is the chemical symbol for Magnesium?
Mg
Md
Mn
Mo
29
What is the term for positively charged particles in an atom's nucleus?
neutrons
protons
elements
electrons
30
What particle has no electric charge?
electrons
elements
protons
neutrons
31
What is the chemical symbol for Iron?
Fe
Ir
F
I
32
What is the chemical symbol for Titanium?
Ta
Ti
Tb
Tc
