Chemical Names and Formulas Basics
Explore the fundamentals of chemical names and formulas for common elements and compounds.
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Chemical Names and Formulas Basics
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Read each question carefully and answer to the best of your ability. Good luck!
1. What is the chemical symbol for the element Oxygen?
Ox
O
Oy
Om
2. The chemical formula for water is H₂O. How many hydrogen atoms are in one molecule of water?
1
2
3
4
3. The first letter of a chemical symbol is always . (uppercase/lowercase)
4. A is a substance made of two or more different elements chemically bonded together.
5. Explain the difference between an element and a compound.
6. All elements have a one-letter chemical symbol.
True
False
Use the image below to answer the following questions:
7. What is the atomic number shown in the element box?
8. What is the symbol for the element shown?
Match the chemical formula on the left with its common name on the right.
9. NaCl
a. Carbon Dioxide
10. CO₂
b. Table Salt
11. O₂
c. Oxygen Gas