Across
- 2. Molecular shape in a straight line
- 4. Substance made of different elements chemically combined
- 6. Positively charged particle in the nucleus
- 8. gases Group of elements with low reactivity
- 11. bond Bond formed by sharing electrons
- 12. Element that conducts heat and electricity well
- 13. Center of the atom containing protons and neutrons
- 15. Molecule with even electron sharing
- 18. State of matter with definite shape and volume
- 22. State of matter with no definite shape or volume
- 24. Negatively charged particle outside the nucleus
- 25. Neutral particle in the nucleus
- 26. Anything that has mass and takes up space
- 28. bond Bond formed by transfer of electrons
- 29. Ability of an atom to attract electrons
Down
- 1. table Chart that organizes elements
- 3. electrons Electrons in the outermost shell
- 5. Two or more atoms bonded together
- 7. Molecular shape with four electron groups
- 9. Element with properties of both metals and nonmetals
- 10. group Bond or lone pair around a central atom
- 14. Substance made of only one type of atom
- 16. pair Pair of electrons not involved in bonding
- 17. Combination of two or more substances
- 19. Molecular shape caused by lone pairs
- 20. number Number of protons in an atom
- 21. Solid changing directly into a gas
- 23. Smallest unit of an element
- 27. Molecule with uneven electron sharing
- 30. State of matter that takes the shape of its container