These are hydrocarbons that are bonded by single bonds only.

______2. How many bonds should a carbon atom (C) have?

______3. This is a way to summary of where the electrons are around a nucleus as well as to count the number of electrons of an element. ______4. _____________ are formed by combining a metal element and a non metal element.

______5. Metallic bonds are formed by combining what kinds of elements?

______6. These are compounds which are made up of only of hydrogen and oxygen atoms.

______7. _____________ is the study of carbon and its compounds

______8. Which hydrocarbons are characterized by the presence of double bonds?

______9. What is the general formula for the answer in number 1?

______10. What type of chemical bonding forms by combining non metal elements?

______11. Positively charged ions are termed as _____________.

______12. Positively charged particles are termed as ______________.

______13. What is the general formula for the answer in number 8.

______14. What is the chemical formula of Sodium chloride?

______15. These hydrocarbons are characterized by the presence of triple bonds.

______16. Branches on the longest carbon chain can be _____________

______17. or ____________ _______.

______18. Alcohols functional group is called ____________.

______19. ___________ formula shows the number of atoms of each element in a compound.

______20. ___________ formula combination of both structural and molecular formulas.

A. hydrocarbons

F. alkanes

K. functional group

P. electronic configuration

B. CnH2n

G. metals L. hydroxyl Q. cations

C. molecular

H. covalent bond M. alkenes

R. 4 bonds

D. organic chemistry I. condensed

N. NaCl

S. ionic compounds

E. alkynes

J. halogens

O. CnH2n+2 T. protons

II. Molecular Mass & Percentage Composition

DIRECTIONS: Calculate the molecular mass and percentage composition of the given compound. Write your answer on the space provided. SHOW YOUR COMPLETE SOLUTION.

21 30. (NH4)2(SO4)

III. Compound Nomenclature

DIRECTIONS: Read and analyze the following chemical formula/chemical name. Write the corresponding chemical formula/ chemical name of each given. Write your answer on the space provided after each item. ANY FORM OF ERASURE WILL BE MARKED WRONG.

31. Zn(OH)2 32. Pb2O2 33. (NH4)CN 34. N2O3

- ____________________________________________ - ____________________________________________ - ____________________________________________ - ____________________________________________

- ____________________________________________

- ____________________________________________ - ____________________________________________ - ____________________________________________ - ____________________________________________ - ____________________________________________

35. H2O

36. Sodium hydroxide 37. Gold (I) oxide

38. Chlorine dioxide

39. Dinitrogen monoxide 40. Hydrogen diodide

IV. Hydrocarbons

DIRECTIONS: Read and analyze the following hydrocarbons. Name it or draw the structural formula of each given item. Write your answers on the space provided.

41) 4 ethyl 1,3 dimethyl hexane 42-43) 1,3,4 -trinitro 1,3 dimethyl 3 heptyne

44) 3 bromo 3- chloro 2 methyl hexane

45.) 1,4 dibromo 5 ethyl 2 decyne