Crossword Puzzle Exploring the AtomOnline version Test your knowledge of fundamental particles and atomic structure with this engaging puzzle. by พิษณุ พรมจันทร์ 1 A negatively charged subatomic particle found in the outer regions of an atom. 2 A positively charged particle located in the nucleus of an atom. 3 A neutral particle that resides in the nucleus alongside protons. 4 The central part of an atom containing protons and neutrons. 5 Variants of a chemical element that have the same number of protons but different numbers of neutrons. 6 An atom or molecule that has gained or lost one or more electrons, resulting in a net charge. 7 The outermost electrons of an atom that are involved in chemical bonding. 8 Elementary particles that combine to form protons and neutrons. 5 6 2 8 1 3 4 7
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