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Review for Midterm
Question | Answer |
---|---|
When a nonmetal bonds with a nonmetal A) a molecular compound forms. B) a covalent bond is involved. C) electrons are shared. D) all of the above are true E) none of the above | D |
The total number of electrons to be counted for the Lewis structure of the PO43- polyatomic ion is A)5 B) 32 C)26 D) all of the above are true E) none of the above | B |
True or False: Ionic compounds have a net charge of zero | True |
True or False: The subscripts in a chemical formula represent the relative mass of each atom in a chemical compound. | False |
How many total atoms are in the formula Al2(CO3)3? A) 14 B) 3 C) 11 D) 9 | 14 |
How many of each type of atoms are there in the > formula NH4C2H3O2? |