Which cannot be broken down by chemical or physical means?
A) Element
B) Compound
C) Heterogeneous mixture
D) Homogeneous mixture
Correct Answer:
Verified
Q50: The symbol for one crystalline form of
Q51: Which is a cation?
A)He
B)Na
C)Fe+3
D)N-3
Q52: The formula C3H5(OH)3 contains
A)6 carbon atoms
B)9 carbon
Q53: Which is an anion?
A)Cl-1
B)H2
C)Fe
D)Fe+2
Q54: An ionic compound is held together by
A)attractive
Q56: The sulfate group is SO4-2.How many sulfate
Q57: Which is not a characteristic of metals?
A)Malleable
B)Good
Q58: Which is a metalloid?
A)N
B)Ni
C)Al
D)Si
Q59: Which is not a diatomic gas?
A)Nitrogen
B)Oxygen
C)Chlorine
D)Bromine
Q60: Which element is brittle and a poor
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