How many elements occur naturally on Earth?
A) 102
B) 88
C) 112
D) 82
Correct Answer:
Verified
Q23: The symbol for copper is
A) C.
B) Co.
C)
Q24: Take a cup of water, add sugar,
Q25: The symbol for tungsten is
A) W.
B) Ti.
C)
Q26: Take a cup of water, add sugar,
Q27: Take a cup of water, add sugar,
Q29: The symbol for carbon is
A) Ca.
B) Cr.
C)
Q30: What scientist discovered more elements than any
Q31: A gold-plated (gold-covered) piece of jewelery, such
Q32: The symbol for lead is
A) Pb.
B) La.
C)
Q33: Solutions are
A) homogeneous mixtures.
B) heterogeneous mixtures.
C) nonuniform
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