Chemistry review questions 2a-2b
1. What other element has similar properties to Chlorine Cl (#17)
2. How many valence electrons does oxygen have?
3. What is group 18 called?
alkali, alkaline-earth, transition, noble gases, or halogen
4. What type of bond will beryllium & sulfur form?
Covalent, ionic, metallic
5. If an element is a metal, which of the following categories would not be possible for it to be a
part of: alkali, alkaline-earth, transition, metalloid, or halogen
6. Which of the following elements is the description most likely talking about:
Brittle, poor conductor, non-ductile, dull
Carbon, gold, Silicon, calcium
7. How many atoms of lithium would it take to ionically bond to one atom of nitrogen?
8. Which equation is balanced? Balance the one that is not already balanced.
A) H3PO4 + KOH => K3PO4 + H2O
B) HCl + NaOH => NaCl + H2O
9. How many water molecules are needed to balance this equation
2 NaOH + H2CO3 => Na2CO3 + _? H2O
10. What type of ion makes up an acid?
11. What type of ion makes up a base?
12. Identify the following as an acid or a base.
- NaOH
- HNO3
- HCl
- KOH
- H2 S
13. Which element will most likely bond with H+ to form the strongest acid
Chlorine, Lithium, fluorine, potassium
14. Which element will most likely bond with OH- to form the strongest base
Chlorine, Lithium, fluorine, potassium
15. What forms when an acid & a base mixes?
16. Identify the molecule: C6H12O6
17. Identify the molecule: 6 CO2
18. Where are the transition metals on the periodic table?
19. What divides the metals form the nonmetals?
20. List two elements that will form a covalent bond.
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