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Q2 TEST PERIODIC TABLE Flashcards | StudBud
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Q2 TEST PERIODIC TABLE
Q2 TEST PERIODIC TABLE
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1
Examples of metalloids
Sn, Ge, Si
O,N,As
B, As, Bi
Si, As, B
2
This picture can represent the molecule of H2O
True
False
3
The number of neutrons determine the what an element is.
False
True
4
Examples of metals
Copper
Au
Aluminum
Mg
5
Red color: Non metals, Blue: Metals, Yellow: metaloids
True
False
6
To what type of material does this picture belong?
Ceramic/glass
Polymer
Metal
Composite
7
Silicon is mainly used for:
Medicines
Computer chips and solar cells
Food
Airplanes
8
What is the atomic number of He
2
4.003
9
The colors in the periodic table represent:
Rows
Groups
Columns
Periods
10
The symbol of Calcium
Ca
Cd
C
Cs
11
Neutrons and electrons are found:
In the center of the atom (nucleus)
In the center and outside the nucleus
None of them
Outside the nucleus
12
What is the atomic mass of C
6
12.01
13
Noble gases are highly reactive
False
True
14
The horizontal row under the PT represent the groups.
False
True
15
How many groups and periods are there in the P,T respectively?
18, 6
7, 8
18, 7
10, 8
16
Select one of the best conductors for electricity
Cu
C
O
Ca
17
What is NOT a characteristic of non- metals?
High melting points
Not malleable
Gases
No ductile
18
Who was the scientist who developed a method for organizing elements based on their atomic mass.
Albert Einstein
Isaac Newton
Dmtri Mendeleev
Antonio Lavosier
19
To what type of material does this picture belong?
Metal
Ceramic/glass
Composite
Polymer
20
Select all the examples of molecules
Na
Cl2
H2O2
Pb
21
What is the element located in group 13 and period 5
Br
Cd
In
Tl
22
Select all the characteristics that applied for copper:
Highly reactive
Malleable
Ductile
Conduct electricity
23
A molecule is when two or more elements are physically bonded.
True
False
24
Select the elements that exist in liquid state at room temperature
Br
H
Hg
Cl
25
Select all the examples of molecules
Mg
NaCl
Fe
O2
26
To what type of material does this picture belong?
Polymer
Ceramic/glass
Metal
Composite
27
The number of protons is known as:
Atomic number
Atomic mass
