1. Describe the particle nature of matter.
2. Explain the properties of solids, liquids, and gases based on the particle nature of matter.
3. Identify phase changes.
4. Describe how matter undergoes phase change.
5. Explain physical changes in terms of the arrangement and motion of atoms and molecules.
6. Name and describe the structure of atoms, including its mass, and locations of protons, neutrons, and electrons inside an atom.
7. Identify the electric charge of an atom and its subatomic particles.
8. Locate the atomic number in a periodic table of elements.
9. Identify the subatomic particles associated with mass number.
10. Determine the number of neutrons from the mass number.
11. Interpret shorthand notations for isotopes and atoms.
12. Infer that ions are formed from the removal or addition of electron/s.
13. Evaluate the net electric charge of an atom.
14. Determine the number of protons, neutrons, and electrons in a particular atom.
15. Identify the groups and periods of the elements.
16. Describe metals, nonmetals, and metalloids.
17. Compare the relative reactivity of metals.
18. Use the Periodic Table of Elements to predict the chemical behavior of an element.
Curriculum Information
Education Type
K to 12
Grade Level
Grade 8
Learning Area
Science
Content/Topic
Matter
Intended Users
Educators, Learners
Competencies
Explain the properties of solids liquids and gases based on the particle nature of matter
Explain physical changes in terms of the arrangement and motion of atoms and molecules
Determine the number of protons neutrons and electrons in a particular atom
Trace the development of the periodic table from observations based on similarities in properties of elements
Use the periodic table to predict the chemical behaviour of an element
