Across
- 2. an atom that gains one or more electrons words have a negative charge
- 5. massive positively charged center of the atom made up of protons and neutrons
- 6. mixture; combination of a substance with a composition that is uniform throughout
- 8. uncharged subatomic particles located in the nucleus
- 9. items that contain the same amount number of protons but different numbers of neutrons
- 11. number; the number of protons in the nucleus of the atom
- 14. sure; matter that can be separated into its compounds by physical means
- 16. reflects how close a measurement is to a correct value
- 17. the smallest unit of matter that can enter into a chemical combination
- 18. positively charged subatomic particles located in the nucleus
- 19. state in which matter has neither definite volume and shape
- 21. state of matter that has a definite volume but indefinite shape
- 24. mixture; combination of substance with a composition that varies from point to point
- 25. positively charged atom formed when an atom loses one or more electrons
Down
- 1. a bonded collection of two or more atoms
- 3. substance composed of only one type of atom
- 4. negatively charged subatomic particles of low mass
- 7. reflects how closer to measurements are
- 10. number; the total number of protons and neutrons in an atom
- 12. property; a property That Remains the Same even when sample size change is a special property
- 13. the measurement of the amount of matter
- 15. anything that takes up space and has mass
- 20. Force that gravity exerts on an object
- 22. substance composed of atoms of two or more atoms of the same or different element
- 23. state of matter that has a rigid has definite shape and has a fairly constant of all