Answer:
2.55 moles
Explanation:
Please see the step-by-step solution in the picture attached below.
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Conductivity is a physical property
Odor is also a physical property
iodine which should appear before tellurium and argon which should appear after potassium
There is a 3rd one: nickel should appear before cobalt
Answer:
B
Explanation:
the group number is=valence electrons. element 1 is in group 1 element 18 is in group 8. 1<8
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