NEW CHEMISTRY V1/V2 FILE

1. If a Hydrogen is in a compound, what would its oxidation number be?

+1

2. What is the oxidation number of any simple ion?

+1 or -1 depending on the charge of the ion

3. How many kilograms are in a pound?

0.453592 kg

4. What is the temperature for freezing point of water in Celsius?

0 degrees Celsius (32°F for Fahrenheit)

5. What is the conversion of Celsius to Fahrenheit?

0°C = 32°F

6. What is the oxidation number of an element atom?

0

7. What is the freezing point of sea water in Fahrenheit?

0°F

8. How many amino acids are in a dipeptide?

2

9. If Oxygen is in a compound, what would its oxidation number be?

-2

10. Which of the following pH values would lemon juice likely have?

2 because the lower the pH value, the more acidic

11. What is a pentose?

A 5 carbon sugar (Pent = 5) (ose = sugar)

12. What is the oxidation state of the Sulfur atom in Sulfuric Acid H2SO4?

6

13. How many neutrons does carbon 14 have?

8 ( mass# - atomics # = neutrons) 14 - 6 = 8

14. How many protons does Potassium have?

19

15. How many amino acids are essential for human life?

20 amino acids

16. Normal body temperature in °C?

37°C

17. Normal body temperature in °F?

98.6°F

18. Boiling point of water in °C?

100°C

19. Boiling point of water in °F?

212°F

20. 0°K is equal to ___°C? -273°C

21. The term Amphoteric means?

A substance that can act as both a base & acid

22. What is Kelvin based around?

Absolute zero

23. A compound that is a Hydrogen or proton donor, corrosive to metals, causes blue litmus

paper to become red and becomes less acidic when mixed with a base is?

Acid

24. Mixture of 2 or more metals are?

Alloys

25. Acids:

• pH less than 7.0

• sour/tart

• Formulas begin with H (Hydrogen)

• Proton Donor