Locard's principle states that
A) when two things come into contact there is always a transfer of material from one object to another.
B) when an atom is energized it always emits light.
C) dog hair always sticks to corduroy pants.
D) a chemical reaction emits less energy than a nuclear reaction.
E) none of the above.
Correct Answer:
Verified
Q8: Identify the transition metal.
A)Cs
B)Fe
C)As
D)N
E)H
Q9: Which of the following could be classified
Q10: Cl can be classified as a
A)metal.
B)metalloid.
C)nonmetal.
D)gas.
Q11: Soils that are reddish in color tend
Q12: On the periodic table, horizontal rows are
Q14: Sodium belongs to group number _ on
Q15: Which one of the following pairs of
Q16: Which element is present in the greatest
Q17: On the periodic table, vertical columns are
Q18: Identify the halogen.
A)K
B)Ni
C)Pb
D)I
E)Ne
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