Grade 10 Chemical Elements Worksheet
A worksheet for Grade 10 Science students to test their knowledge of chemical elements, the periodic table, and atomic structure.
Includes
Standards
Topics
Chemical Elements Review
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following is NOT a characteristic of a metal?
Good conductor of heat
Ductile
Brittle
Lustrous
2. An atom with 6 protons, 6 neutrons, and 6 electrons has an atomic number of:
6
12
18
0
3. The vertical columns on the periodic table are called , while the horizontal rows are called .
4. An atom is composed of a nucleus containing protons and , with orbiting the nucleus.
5. All elements in the same group have the same number of valence electrons.
True
False
6. Isotopes are atoms of the same element with different numbers of protons.
True
False
7. Explain the difference between atomic number and mass number.
8. Use the periodic table element box below to answer the following questions.
a) What is the atomic number of this element?
b) What is the chemical symbol for this element?
c) What is the atomic mass of this element?
Match each term with its correct definition.
9. Proton
a. Negatively charged subatomic particle
10. Electron
b. Positively charged subatomic particle
11. Neutron
c. Subatomic particle with no charge
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