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Atomic structure and the periodic table Flashcards | StudBud
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Atomic structure and the periodic table
Atomic structure and the periodic table
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#Atomic structure and the periodic table #Chemistry #IGCSE #Revision
Flashcards
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Questions
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Answers
1
What atom has the electron configuration 2,8,5?
Phosphorus
Silicon
Sulfur
Aluminium
2
What is the charge of proton and neutron?
positive, neutral
positive, negative
neutral, negative
negative, positive
3
Where are the metals found in the periodic table?
on the right
scattered all over
on the left
4
Which set of three properties do most metals show?
hard, malleable, high melting point
hard, malleable, low melting point
soft, malleable, high melting point
5
Which elements are found on the right side of The Periodic Table?
Metals
Nonmetals
Metalloids
Water
6
How many electrons are in the third shell?
8
6
2
7
7
How many neutrons does potassium have (atomic number 19, mass number 39)?
39
19
20
29
8
How many protons are in this element?
196
79
Cannot be determined
117
9
The number of protons in the nucleus is the
Half-life
Atomic number
Isotope
Atomic mass
10
What is an isotope?
It has the same number of neutrons but different protons
It has the same number of protons but different electrons
It has the same number of protons but different neutrons
11
The modern periodic table is organized by
Size of atom
Number of neutrons
Atomic number
Atomic mass
12
All atoms of the same element contain the same number of particles called
Nucleon
Electron
Proton
Neutron
13
How many electrons does potassium have (atomic number 19, mass number 39)?
29
19
20
39
