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Elements and Compounds Flashcards | StudBud
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Elements and Compounds
Elements and Compounds
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10-question review of a unit of work regarding elements and compounds
Flashcards
10 cards
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Questions
10
Answers
1
Which of the following images represents a compound?
A
C
D
B
2
This molecule (H
2
)is ...
a mixture as the atoms are not joined together
a compound because the atoms are joined together
a compound as it is made up of more than one atom
an element as it is made up of all the same type of atoms
3
The chemical formula for glucose (sugar) has how many atoms?
12
24
36
3
4
The following event is what type of change?
Physical
Chemical
5
The following image of baking a cake shows what type of change?
Physical
Chemical
6
Breaking down compounds is called ...
decombustion
composition
decomposition
combustion
7
The law of conservation of matter states that ..
some reactant atoms are lost
some product atoms are created
all atoms are rearranged in a chemical reaction
all atoms remain the same in a chemical reation
8
The periodic table of elements is organised by ...
alphabetical order of elements
metals on one side, non-metals on the other
similar properties in columns
similar properties in rows
9
'S' is the element symbol for ...
Sulfur
Silver
Selenium
Silicon
10
Which of the following elements do NOT make up CFC?
Carbon
Chlorine
Calcium
Fluorine
