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N5 Chemistry - Atomic Structure and the Periodic Table Flashcards | StudBud
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N5 Chemistry - Atomic Structure and the Periodic Table
N5 Chemistry - Atomic Structure and the Periodic Table
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A review of atomic structure and the periodic table.
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
Atoms of the same element that have a different number of neutrons are called ____________.
isomers
ions
indicators
isotopes
2
Elements on the modern periodic table are arranged according to their _________.
atomic radii
atomic masses
atomic numbers
atomic properties
3
Group 1 elements are also called ____________.
halogens
noble gases
alkaline earth metals
alkali metals
4
How many neutrons does Rb-85 contain?
122
48
85
37
5
Elements in between groups 2 and 3 are called ___________.
alkaline earth metals
inner transition metals
transition metals
metalloids
6
An atom, as shown on the periodic table, is neutral because it contains equal numbers of
isotopes and ions
protons and electrons
protons and neutrons
neutrons and ions
7
Elements in group 7 are called ____________.
noble gases
halogens
alkali metals
alkaline earth metals
8
Which subatomic particles are located inside the nucleus of an atom?
electrons & protons
protons & electrons
electrons & neutrons
protons & neutrons
9
Carbon-13 and Carbon-14 are examples of _______________ for the carbon element.
ions
indicators
isotopes
isomers
10
The average mass of all the isotopes for a given atom is called ___________.
relative mass number
relative atomic mass
average nuclear mass
average atomic number
11
The number of protons an atom contains is identified by the ____ ____ on the periodic table.
row number
atomic number
group number
mass number
12
What are the charges of the subatomic particles?
p = +1 n = -1 e = 0
p = 0 n = +1 e = -1
p = +1 n = 0 e = -1
p = -1 n = 0 e = +1
13
A column on the periodic table is called a __________
pillar
group
row
period
14
A row on the periodic table is also called a ________.
neighborhood
period
family
group
15
The sum of the number of protons and neutrons inside the nucleus is called the __________.
atomic number
mass number
element number
nucleus number
16
Who organised the first periodic table based on the elements' atomic mass?
Mendeleev
Dalton
Moseley
Rutherford
