519951
Question 1
Question
Newlands table was disregarded by other scientist because after Calcium the properties did not match very well?
Answer
- True
- False
Question 2
Question
Mendeleev's table is what the modern Periodic Table is based on?
Answer
- True
- False
Question 3
Question
When did scientists discover Protons and Electrons?
Answer
-
Beginning of the 18th Century
-
End of the 18th Century
-
Beginning of the 19th Century
-
End of the 19th Century
-
Beginning of the 20th Century
-
End of the 20th Century
Question 4
Question
Which group is unreactive?
Answer
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
0
Question 5
Question
When you go down the groups of elements what happens to the level of attraction?
Answer
-
It gets stronger
-
It stays the same
-
it gets weaker
Question 6
Question
What are Group 1 Elements called?
Answer
-
Alkali Metals
-
Alkene Metals
Question 7
Question
What bonds do Alkali Metals form?
Answer
-
Ionic
-
Covalent
-
Giant Covalent
Question 8
Question
Transition metals are found between groups 2&3?
Answer
- True
- False
Question 9
Question
Select the correct statements about transition metals:
Answer
-
They all have higher melting and boiling points than the alkali metals
-
They all have higher melting and boiling points than the alkali metals, except for Mecury
-
They all have higher melting and boiling points than the alkali metals, except for Chronium
-
They conduct heat and electricity well
-
They don't conduct heat and electricity at all
-
Most are used as alloys
-
They react slowly or not at all
-
They don't react
-
They form positive ions
-
They form negative ions
Question 10
Question
Group 7 are know as Halogens?
Answer
- True
- False
Question 11
Question
Halogens are non-metallic
Answer
- True
- False
Question 12
Question
Halogens have :
Answer
-
Low boiling point and a high melting point
-
Low boiling point and a low melting point
-
High boiling point and a high melting point
-
High boiling point and a low melting point
Question 13
Question
A more reactive halogen will displace a less reactive one?
Answer
- True
- False
Question 14
Question
Hard water:
Answer
-
Creates scum
-
Creates lather
-
Contains Magnesium and Calcium ions
Question 15
Question
The benefits of Hard Water are:
Answer
-
The calcium is good for our bones and teeth
-
Reduces the risk of heart disease
-
Increases chance of cancer
-
Costs more
Question 16
Question
How do we remove Hard Water?
Answer
-
Ion Exchange column
-
Add washing soda
-
Boiling it
-
Freezing it
-
Compressing it
Question 17
Question
A modern water filter uses Carbon as its main material?
Answer
- True
- False
Question 18
Question
Using Washing Soda to soften water means that your precipitate out all calcium and magnesium ions along with any other insoluble carbonates.
Answer
- True
- False
Question 19
Question
Exothermic means
Answer
-
Loses energy
-
Gains energy
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