In the Periodic Table, the vertical columns that extend up and down the Periodic Table are called
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Question 2
2.
Label the following diagram
Electrons
Neutrons
Protons
Nucleus
Electron cloud
Valence electrons
A
B
C
D
black arrow
E
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Question 3
3.
Match different parts of the atom with the correct discription
Large mass of 1 amu
Located inside the nucleus
Large mass of 1 amu
Negative charge
positive charge
Neutral charge /No charge.
amost no mass of 1/8000 amu
Located in the Nucleus
located in the electrons cloud
Protons
Neutrons
Electrons
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Question 4
4.
Which of these best describes one of the subatomic particles that could be found at location y in the model of an atom shown above?
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Question 5
5.
atomic number for an atom of lithum
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Question 6
6.
protons
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Question 7
7.
mass number
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Question 8
8.
neutrons
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Question 9
9.
electrons
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Question 10
10.
atomic number
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Question 11
11.
protons
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Question 12
12.
electrons
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Question 13
13.
Mass number
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Question 14
14.
Neutrons
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Question 15
15.
5. Which element has an atomic number of 35 ?
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Question 16
16.
Which subatomic particle(s) are found in the nucleus?
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Question 17
17.
Which two subatomic particle(s) are the same size?
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Question 18
18.
The atomic mass of an element tells the total number of subatomic particles found inside the nucleus of that atom, therefore it tells the total number of ____ + ____ inside that atom.
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Question 19
19.
which model represent the correct model of Lithium
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Question 20
20.
Select everything true about Aluminium.
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Question 21
21.
As you are moving down the groups ehat number stays the same?
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Question 22
22.
As you are moving across periods which number increases ? select more than one answer
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Question 23
23.
As you are moving across a period which number stays the same ?
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Question 24
24.
which element is represented by atom A
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Question 25
25.
which element is represented by atom B?
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Question 26
26.
which element is represented by atom C?
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Question 27
27.
which element is the least reactive
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Question 28
28.
which element is the most reactive
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Question 29
29.
color metalloids green in the periodic table
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Question 30
30.
color non-metals green in the periodic table
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Question 31
31.
color metals yellow in the periodic table
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Question 32
32.
color the most reactive metal group yellow and the most reactive nonmetal group green.
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Question 33
33.
color the least reactive group red
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Question 34
34.
Rank the folowing elemets as Metals, Nonmetals or Metalloids.