1. 17

2. ESS 5.8.1 – 5.8.5 TEST 1. Al A. Albin B. Aluminum C. Alum D. Alco 2. Ca A. Calcium B. Copper C. Camic D.Calco 3. C A.Calcium B. Copper C.Calco D.Carbon

3. 4. K A. POTASSIUM B. KEROTENE C. KELP D. SILVER 5. Na A.NALBINE B. SODIUM C. NITROGEN D. CHLORINE 6. Hg A.HYDROGEN B. HEGLIN C. MERCURY D. SILVER 7. N A. NEON B. SODIUM C. TIN D. NITROGEN

4. 8. Cl A. CALCIUM B. COPPER C. CHLORINE D. CLOMIDE 9. Au A.SILVER B. GOLD C. LEAD D. AUGMITE 10. H A.HELIUM B. ZINC C. HEAVESTONE D. HYDROGEN 11. Fe A. FERRON B. IRON C. IODINE D. FERDROW

5. 12. Zn A.TIN B. GOLD C. ZINC D. ZIRCON 13. Cu A.CUPPRO B. CALCIUM C. CARBON D. COPPER 14. Mg A. MANGANESE B. MAGNESIUM C.MOLIG D. SODIUM

6. 15. He A.HELIUM B. HYDROGEN C. SILICON D. HEDRIUM 16. O A.OSMIUM B. CARBON C. OXYGEN D. COBALT 17. Pb A.SILVER B. GOLD C. TIN D. LEAD 18. Ag A. SILVER B. GOLD C. TIN D. LEAD

7. 19. SMALLEST PARTS OF MATTER THAT STILL RETAINS THE PROPERTY OF THE ELEMENT. A.CELL B. PROTON C. ELECTRON D. ATOM 20. ATOMIC PARTICLES WITH A POSITIVE CHARGE. A.ATOM B. NEUTRON C. ELECTRON D. PROTON 21. CENTER OF THE ATOM. A.NUCLEUS B. PROTON C. ELECTRON D. NEUTRON 22. WHERE ARE ELECTRONS LOCATED? A.PROTON CLOUD B. ELECTRON CLOUD C. NUCLEUS D. NEUTRON CLOUD

8. 23. ATOMIC PARTICLES WITH A NEGATIVE CHARGE. A. PROTONS B. NEUTRONS C. ELECTRONS D. ATOMS 24. ATOMIC PARTICLES WITH NO CHARGE. A.PROTONS B. NEUTRONS C. ELECTRONS D. ATOMS 25. WHAT IS LOCATED IN THE NUCLEUS? A.ELECTRONS AND PROTONS B. ELECTRONS AND NEUTRONS C. PLUTRONS AND NEUTRONS. D. PROTONS AND NEUTRONS.

9. 26. PROTONS AND NEUTRONS ARE MADE UP OF SMALLER PARTICLES CALLED ________. A.QUACKS B. QUIRKS C. QUARKS D. QUARTS 27. SCIENTISTS AND ENGINEERS USE _____ TO REPRESENT THINGS THAT ARE DIFFICULT TO VISUALIZE. A.MODELS B. MODEMS C. HAMMERS D. ATOMS 28. WHAT IS CARBON’S MASS NUMBER? A. 6 B. 18 C. 12 D. 9

10. 29. SODIUM HAS 11 PROTONS, 12 NEUTRONS; WHAT IS IT’S ATOMIC NUMBER? A.23 B. 12 C. 11 D. 1 30. WHAT IS SODIUM’S MASS NUMBER? A. 23 B. 12 C. 11 D. 1