From what i can gather it looks like d
Answer:
a pure substance consists only of one element or one compound
a mixture consists of two or more different substances, not chemically joined together.
examples:
pure substance : Hydrogen gas - Diamond - Gold metal.
mixture : water and oil - mixtures of sand and water - trail mix
Explanation:
%Mass
Ar C = 12 g/mol, Mr C₄H₁₀ = 58 g/mol, Ar H = 1 g/mol
or
Answer:
C
Explanation:
it belong to that group as it needs 1 electron to be chemically stable
Answer:
10.35
Explanation:
multiply moles by molar mass from periodic table
