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Name ______________________________ Class ___________________ Date __________________
Activity
Vocabulary Activity
Atomic Anagrams
After you finish reading the chapter, try this puzzle.
Use the definitions below to unscramble the vocabulary words.
1. weighted average of the mass of all naturally occurring isotopes of the same
element
MICTOA SAMS __________________________________________________
2. the smallest unit of an element that maintains the properties of an element
MOATS _________________________________________________________
3. positively charged particle in the atom
TORPNO ________________________________________________________
4. made up of protons and neutrons
UCSELUN ______________________________________________________
5. particle in the atom that has no charge
TRONUNE ______________________________________________________
6. atoms with the same number of protons but different numbers of neutrons
SOOTPIES ______________________________________________________
7. negatively charged particle in the atom
CLEENROT _____________________________________________________
8. number of protons in a nucleus
MICOTA BRUMEN _______________________________________________
9. regions where electrons are likely to be found
RENECTOL SOCUDL _____________________________________________
10. SI unit used to express the mass of atomic particles
TMCOAI SASM NTUI _____________________________________________
11. sum of protons and neutrons
SAMS BRUNEM _________________________________________________
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
51
Introduction to Atoms