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Mrs. Salzman's Cycle 3: Week 13: Science: What is the Atomic Number?

Copyright 2023, Colby Books
www.colbybooks.com
Across
Negatively charged particles that orbit around the nucleus of an atom.
A numerical value.
The smallest unit of an element that retains its chemical properties.
Down
The central part of an atom, containing protons and neutrons.
Positively charged particles found in the nucleus of an atom.
Relating to atoms, the building blocks of matter.
Having no overall charge.