On a Periodic Table,the columns of elements with similar properties are
A) periods.
B) groups.
C) rows.
D) metals.
Correct Answer:
Verified
Q1: Which symbol(s) represent(s) elements in the noble
Q2: A(n) _ is a fixed number of
Q3: Which diagram(s) best represent(s) only individual atoms?
Q5: Which of the following is a pure
Q6: The quantity 0.0000064 g expressed in scientific
Q7: Which is not a pure substance?
A)Helium
B)Copper wire
C)Air
D)Sucrose
Q8: Which diagram(s) best represent(s) only molecules?
Q9: Which square(s) contain(s) only one or more
Q10: Which square(s) contain(s) only an element?
Q11: Which substance is an element?
A)NO2
B)NaCl
C)N2
D)CH4
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