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Element symbols and Chemical formulas.

1. prepare chemical formulas for the following compounds.

a. ethyl alcohol, which contains 2 carbon atoms, 6 hydrogen atoms, and 1 oxygen atom

b. a compound which contains 1 atom of magnesium and 2 atoms of bromine

c. a compound which contains 4 atoms of phosphorus and 10 atoms of oxygen

d. a compound which contains  1 atom of arsenic and 3 atoms of hydrogen

 

2. What is the total number of atoms found in each of the following compounds? What is the total number of elements found in each?

a. KOH

b. N2O3

c. CCI4

d. H2O2

e. Na3PO4

 

3. Label the parts of the experimental apparatus used to develop the model of the nuclear atom.

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  • Category:- Chemistry
  • Reference No.:- M919295

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