Download HCC10 2nd Differentiating Matter WkSt

HONORS CHEMISTRY - CHAPTER 10
CHEMICAL QUANTITIES
SECOND DIFFERENTIATING MATTER WKST - V2
NAME:
DATE:
PAGE:
This Worksheet Based on Work By Students. Their Names Will Be Revealed in Class.
I. Answer sections A-F for each question found directly below:
1. 4 F2
4. 2 Cu
7. FeO
2. 3 LiBr
5. 10 P2S3
8. Mg(OH)2
3. 6 Ni
6. 9 (NH4) 3P
9. 3 Xe
A. Is it an element or a compound?
B. Is it ionic or molecular or not applicable?
C. Which term(s) best describes it?
1. atom
2. ion
3. molecule
4. formula unit
D. Is it a chemical symbol or a chemical formula or both?
E. Indicate the type and number of representative particles that best describes the question.
F. If it is a molecule or a formula unit, indicate the total number of atoms or ions for each element.
II. Answer the questions listed below for the following: 2 Sr3(PO4) 2
1. Is it an element or a compound?
2. If it is a compound, is it ionic or molecular?
3. Which term(s) best describes it?
1. atom
2. ion
3. molecule
4. formula unit
4. Is it a chemical symbol or a chemical formula or both?
5. Number of formula units of strontium phosphate?
6. Number of ions of strontium phosphate?
7. Number of molecules of strontium in all two formula units of strontium phosphate?
8. Number of ions of strontium in all two formula units of strontium phosphate?
9. Number of formula units of phosphorus in all two formula units of strontium phosphate?
10. Number of atoms of phosphorus in all two formula units of strontium phosphate?
11. Number of molecules of oxygen in all two formula units of strontium phosphate?
12. Number of atoms of oxygen in all two formula units of strontium phosphate?
13. Total number of atoms and ions for each element in one formula unit of strontium phosphate?
14. Total number of atoms and ions for each element in two formula units of strontium phosphate?
15. Total number of formula units for each element in two ions of strontium phosphate?
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III. Answer the questions listed below for the following: 5 H3PO4
1. Is it an element or a compound?
2. If it is a compound, is it ionic or molecular?
3. Which term(s) best describes it?
1. atom
2. ion
3. molecule
4. formula unit
4. Is it a chemical symbol or a chemical formula or both?
5. Number of molecules of phosphoric acid?
6. Number of atoms of phosphoric acid?
7. Number of molecules of hydrogen in all five atoms of phosphoric acid?
8. Number of atoms of hydrogen in all five molecules of phosphoric acid?
9. Number of molecules of phosphorus in all five atoms of phosphoric acid?
10. Number of atoms of phosphorus in all five molecules of phosphoric acid?
11. Number of molecules of oxygen in all five atoms of phosphoric acid?
12. Number of atoms of oxygen in all five molecules of phosphoric acid?
13. Total number of atoms and ions for each element in one molecule of phosphoric acid?
14. Total number of atoms and ions for each element in five molecules of phosphoric acid?
15. Total number of molecules for each element in five ions of phosphoric acid?
2 - HC - Chapter 10 - Second Differentiating Matter Worksheet - V2