Isotopes of an element have the same atomic number but different mass numbers because they have different numbers of neutrons.
Standard detail
2
Depth 1Parent ID: C9A081C2A411424687CD395B8DEB111CStandard set: Grade 9 Chemistry
Original statement
Quick facts
- Statement code
- 2
- List ID
- 2c
- Standard ID
- B66587521E3A475D9C1E1F3ABF7A2450
- Subject
- Science
- Grades
- 09
- Ancestor IDs
- C9A081C2A411424687CD395B8DEB111C
- Source document
- Grade 9 Chemical Reactions Standards
- License
- CC BY 4.0 US