Forming Ions: Grade 8 Science
Explore the process of ion formation, including electron gain and loss, and the resulting charge of atoms.
Includes
Standards
Topics
Forming Ions: Grade 8 Science
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Use the provided space for your answers.
1. What happens to an atom when it loses an electron?
It becomes a negative ion.
It becomes a positive ion.
It remains neutral.
It becomes an isotope.
2. An atom that gains electrons becomes:
A cation
An anion
A neutral atom
A molecule
3. Atoms become stable by achieving a full outer electron shell, often by gaining or losing .
4. A positively charged ion is called a .
5. A negatively charged ion is called an .
6. When an atom loses electrons, it has more protons than electrons.
True
False
7. Explain why atoms form ions.
8. Describe the difference between a cation and an anion.
Related Worksheets
Chemical Names and Formulas Worksheet
A Grade 8 science worksheet covering chemical names, formulas, and basic bonding concepts.
Grade 8 Physical Properties Worksheet
Explore the physical properties of matter, including states of matter, density, melting point, and solubility, with this Grade 8 science worksheet.
Lewis Dot Diagram Worksheet
Explore the basics of Lewis dot diagrams, valence electrons, and chemical bonding for Grade 8 science students.
Atomic Models Worksheet
Explore the history and development of atomic models, from Dalton to Bohr, with this engaging Grade 8 science worksheet.
Ions and Formula Units Worksheet
Explore the basics of ions, cations, anions, and how they combine to form neutral ionic compounds and formula units.
Grade 8 Science: Physical Properties
This worksheet covers key concepts of physical properties for Grade 8 science students, including identification, examples, and distinctions from chemical properties.
Chemistry Lab Safety Worksheet
A worksheet covering essential chemistry lab safety rules and practices for 8th-grade science students.
Grade 8 Science: Classification and Changes
This worksheet covers classification of matter, physical and chemical changes, and states of matter for Grade 8 science.