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Match it!
Match it! Select the correct answer from the pull down...Good luck!
NaCl is:
SiO2
An element is a pure substance, and a compound is a combination of elements.
Silicon
False
3
Carbon, hydrogen, nitrogen, oxygen
Iron
salt.
Which of the following is an element?
SiO2
An element is a pure substance, and a compound is a combination of elements.
Silicon
False
3
Carbon, hydrogen, nitrogen, oxygen
Iron
salt.
Which element is abundant in the Earth's crust?
SiO2
An element is a pure substance, and a compound is a combination of elements.
Silicon
False
3
Carbon, hydrogen, nitrogen, oxygen
Iron
salt.
All elements are naturally occurring.
SiO2
An element is a pure substance, and a compound is a combination of elements.
Silicon
False
3
Carbon, hydrogen, nitrogen, oxygen
Iron
salt.
Which of the following elements are living things made of?
SiO2
An element is a pure substance, and a compound is a combination of elements.
Silicon
False
3
Carbon, hydrogen, nitrogen, oxygen
Iron
salt.
How many elements are in the chemical formula for glucose, C6H12O6?
SiO2
An element is a pure substance, and a compound is a combination of elements.
Silicon
False
3
Carbon, hydrogen, nitrogen, oxygen
Iron
salt.
The formula for sand is:
SiO2
An element is a pure substance, and a compound is a combination of elements.
Silicon
False
3
Carbon, hydrogen, nitrogen, oxygen
Iron
salt.
Which statement best summarizes the difference between an element and a compound?
SiO2
An element is a pure substance, and a compound is a combination of elements.
Silicon
False
3
Carbon, hydrogen, nitrogen, oxygen
Iron
salt.
Check it!