Across
- 6. composed of ions of two different elements - one of which is a metal, and the other a nonmetal.
- 7. a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
- 8. the total number of protons and neutrons in an atomic nucleus
- 11. the basic units of matter and the defining structure of elements.
- 15. a substance composed of exactly two different elements, which are substances that cannot be simplified further by chemical means.
- 16. an atom or molecule that has a positive charge.
- 17. an ion with a positive charge
- 19. A negatively charged particle
- 22. the arrangement of electrons within an atom.
- 23. a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson.
- 26. the system of electrons surrounding the nucleus of an atom.
- 27. one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behaviour but with different atomic masses and physical properties
- 28. A chemical bond formed when ionic bonds
- 30. the joining together of atoms caused by forces of attraction
- 32. vertical line on the periodic table
- 33. an ion with a negative charge
Down
- 1. the mass of an atom
- 2. any substance composed of identical molecules consisting of atoms of two or more chemical elements.
- 3. A particle with a neutral charge
- 4. electrons in the outermost shell of the atom that determine an atom's or group's ability to bond with others.
- 5. A type of lettering form written lower than the things around it.
- 9. a chemical bond that involves the sharing of electron pairs between atoms.
- 10. any of the chemical elements belonging to the s and p blocks of the periodic table.
- 11. the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
- 12. an atom or molecule that carries an electric charge.
- 13. a positively charged particle that is a fundamental constituent of all atomic nuclei.
- 14. horizintal lines on the periodic table
- 18. the positively charged central core of an atom consisting of protons and neutrons and containing nearly all its mass.
- 20. vertical lines on the periodic table
- 21. specific patterns that are present in the periodic table that illustrate different aspects of a certain element
- 24. a notation used by scientists to show the number and type of atoms present in a molecule, using the atomic symbols and numerical subscripts.
- 25. element that mostly lacks the characteristics of a metal.
- 29. an atom or molecule that has a negative charge.
- 31. an element that readily forms positive ions (cations) and has metallic bonds