Chemical Names and Formulas Worksheet
Explore the fundamentals of chemical names and formulas, including ionic and covalent compounds, for Grade 7 Science.
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Chemical Names and Formulas
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show your work where applicable.
1. What type of bond involves the transfer of electrons between atoms?
Covalent bond
Ionic bond
Metallic bond
Hydrogen bond
2. Which of the following is the chemical formula for water?
CO2
O2
H2O
NaCl
3. An ionic bond typically forms between a metal and a .
4. In a covalent bond, electrons are between atoms.
5. The smallest unit of a covalent compound is called a .
6. Describe the difference between an ionic and a covalent bond.
7. What is the importance of chemical formulas?
8. Observe the diagram of an ionic bond below. Identify the cation and anion.
Cation:
Anion:
9. Observe the diagram of a covalent bond below. Explain how the atoms achieve stability.
10. All chemical compounds are formed by ionic bonds.
True
False
11. The subscript in a chemical formula indicates the number of atoms of that element.
True
False
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