Across
- 3. solid particles arranged in a lattice structure
- 7. study of living things
- 8. study of universe beyond Earth
- 9. ratio of the distance an object moves to the amount of time, formula is v=d/t
- 11. ion with a negative charge
- 14. neutral subatomic particle the nucleus of an atom
- 15. this bond is the attraction between a metal cation and the shared electrons that surround it
- 18. the speed and direction of an object
- 20. ion with a positive charge
- 21. the rate at which velocity changes
- 23. study of composition, structure, properties, and reactions of matter
- 24. a system of knowledge and method used to find knowledge
- 25. a chemical bond in which two atoms share a pair of valence electrons
- 26. _____ bond is the force that holds cations and anions together
- 27. this movement of an object toward Earth through gravity alone is called _____ fall
- 29. study of Earth's structure
Down
- 1. a body held to Earth through this force
- 2. mixture of 2 or more elements, has properties of metal and contains at least 1 metal
- 4. a covalent bond in which electrons are not shared equally
- 5. length of the path between two points
- 6. (+) charged subatomic particle in the nucleus of an atom
- 10. ________ table shows the arrangement of elements
- 12. quantity that has a direction
- 13. (-) charged subatomic particle in the space outside the nucleus of an atom
- 16. neutral group of atoms joined together by one or more covalent bonds
- 17. study of matter and energy through forces and motion
- 19. the use of knowledge to solve practical problems
- 22. is a chemical formula (notation) that shows the elements in sodium chloride
- 28. an atom that has a (+) or (-) charge