1. Determine the percent composition for the following compound, given the empirical formula. (2 pts) a. Na2Ch (Sodium chemistride)
2. Determine the empirical formula for the following compound, given the percent composition. (2 pts)
a. 34.3% Beryllium (Be) and 65.7% Ch (Chemistrium)
H
Не
Be
B
c С
N
Ch F Ne
17.250 30
8
ch
Chemistrium
17.25

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Identify the electromagnets with poles that are reversed from the electromagnet shown above

What are the major types of a chemical compound