Atoms Elements and Compounds Worksheet

Transcription

Atoms Elements and Compounds Worksheet
Name___________________________________________
Date ____________
Period _____
Atoms, Elements and Compounds Worksheet.
Complete the following table: (pg 26-27)
Matter
Kind of Matter
Definition
Substances that cannot be broken down into other substances by chemical or physical means
Compound
Two or more substances in the same place that are not chemically combined
Describe how the elements are represented/abbreviated on the periodic table. (pg 26)__________________
__________________________________________________________________________________________
__________________________________________________________________________________________
Label the symbol, atomic number, element name and atomic mass in this Element Square from the
Periodic Table:
11
Na
Sodium
22.990
Determine which of the following are elements and which are compounds. Determine how many elements
are involved.
(pg 30)
Element(E)/Compound(C)
Number of Elements
1. H2SO4
__________
____________
2. O2
__________
____________
3. Cr(NH3)6(NO3)3
__________
____________
4. Mg(NO3)2
__________
____________
5. Mg
__________
____________
6. Ba3(PO4)2
__________
____________
7. H3PO4
__________
____________
8. F2
__________
____________
9. Zn(OH)2
__________
____________
10. HNO3
__________
____________
11. He
__________
____________
12. C4H8FCOOH
__________
____________
13. HC2H3O2
__________
____________
14. Na2SiO3
__________
____________
15. NH4NO3
__________
____________
What makes a compound organic or inorganic? _____________________________________________
_______________________________________________________________________________________
_______________________________________________________________________________________
Determine which of the following are organic compounds and those that are inorganic compounds.
Determine the number of elements in each compound.
Organic (O)/Inorganic (I)
1.
O
C
O
Number of Elements
______________________
______________
_____________________
______________
______________________
______________
_____________________
______________
______________________
______________
______________________
______________
Carbon Dioxide CO2
2.
H
C
N
Hydrogen Cyanide HCN
H
3.
H
N
H
Ammonium NH3
H
H
O
4.
Water H2O
5.
H
C
C
H
Ethyne C2H2
Cl
Cl
6.
N Cl
Cl
Nitrogen Tetrachloride NCl4
H
H
H
C
C
H
7.
H
H
______________________
______________
______________________
______________
______________________
______________
______________________
______________
Ethane C2H6
H
S
H
8.
Hydrogen Sulfide H2S
Na
O Cl
9.
Sodium Hypochlorite NaOCl
Na
10.
O
H
C
O
O
Sodium Bicarbonate NaHCO3

Similar documents