Chemistry Crossword
Across
- 3. The electrically neutral particle in the nucleus of atoms.
- 4. A kind of chemical bonds where atoms share their electrons, forming molecules
- 6. The __________ number of an atom is defined by the number of protons the atom has.
- 7. The ________ number of an atom is defined by the sum of its protons and neutrons.
- 8. The positive-charged particle in the nucleus of the atom.
- 9. The negative-charged particle in atoms.
- 10. The simplest atom in the periodic table: it has only one proton and one electron.
Down
- 1. Where the electrons are located in an atom
- 2. When we combine cations and anions (ions), we have an ________ bond.
- 4. A positively-charged ion.
- 5. A negatively-charged ion.