- 1. Particle with a positive charge
A) neutron B) electron C) proton
- 2. Particle with a negative charge
A) electron B) neutron C) proton
- 3. Particle with no charge
A) electron B) neutron C) proton
- 4. The smallest unit of matter
A) atom B) cell C) carbon D) oxygen
- 5. Mass is similar to____
A) volume B) weight C) length D) temperature
- 6. The Periodic Table number that includes protons and neutrons
A) Electron Cloud B) Atomic Number C) Atomic Mass D) Chemical Symbol
- 7. The particles that circle around the atom's nucleus
A) protons B) electrons C) neutrons
- 8. Protons and _______ are found in the atom's nucleus
A) neutrons B) electrons C) protons
- 9. The positive center of an atom is called the __
A) atomic number B) electron cloud C) nucleus
- 10. The negative area that is outside of an atom's nucleus
A) atomic number B) electron cloud C) neutron cloud
- 11. The Periodic Table is based on the elements' ____
A) protons B) electrons C) neutrons
- 12. These 2 particles will always equal each other in number
A) protons and neutrons B) protons and electrons C) electrons and neutrons
- 13. The Atomic Number shows the number of an element's__
A) protons B) protons plus neutrons C) atoms
- 14. The Periodic Table elements are organized from_____
A) heaviest to lightest B) random to more random C) lightest to heaviest
- 15. Most of the elements on the Periodic Table are___
A) metals B) non-metals C) gases
- 16. The lightest element on the Periodic Table is ___
A) hydrogen B) helium C) gold
- 17. Which of these has the most protons?
A) nitrogen B) carbon C) oxygen
- 18. Which of these has the most protons?
A) zinc B) copper C) nickel
- 20. Calcium's symbol is __
A) C B) CA C) Ca
- 21. Potassium's symbol is __
A) K B) P C) PO
- 22. Carbon's symbol is ___
A) CA B) Ca C) C
- 23. Which element has 11 protons?
A) Chlorine B) Sodium C) Nitrogen
- 24. Which element has 78 protons?
A) platinum B) arsenic C) magnesium
- 25. Which element has 17 electrons?
A) oxygen B) chlorine C) hydrogen
- 26. An atom's shells of electrons are also called ___
A) the nucleus B) energy levels C) cloud rings
- 27. The building blocks of matter are called__
A) atoms B) cells C) electrons
- 28. Anything that takes up space and has mass is called ___
A) cells B) matter C) air
- 29. True or False: Air is made of atoms
A) True B) False
- 30. True or False: Your hair is made of atoms
A) True B) False
- 31. True or False: Living things are NOT made of atoms
A) True B) False
- 32. True or False: Water is NOT made of atoms
A) False B) True
- 33. True or False: The 2nd letter of a chemical symbol can be capital
A) True B) False
- 34. CO2 Carbon Dioxide is a(n) ___
A) atom B) compound C) neutron
A) neutron B) compound C) atom
A) neutron B) compound C) atom
- 37. Elements are made of ___
A) mixtures B) atoms C) compounds
- 38. Electrons are always__
A) positive B) neutral charged C) moving
- 39. The top number in an element's box
A) atomic mass B) number of neutrons C) atomic number
- 40. The bottom number in an element's box
A) atomic mass B) atomic number C) number of electrons
- 41. Many of the elements are named after their name in ___
A) Russian B) German C) Greek
- 42. A Bohr Model is a diagram of ___
A) carbon dioxide B) an atom C) water D) a cell
- 43. Which element has an atomic mass of 4.0 ?
A) helium B) uranium C) copper
- 44. Which element has an atomic mass of 27.0 ?
A) neon B) aluminum C) lithium
- 45. Which element has an atomic mass of 14 ?
A) nickel B) nitrogen C) phosphorous
- 46. Which of these is the smallest, lightest particle?
A) electron B) proton C) neutron
- 47. Which word matches the definition "can not be cut or divided"?
A) proton B) atom C) electron
- 48. Which word matches the definition "only contains one type of atom"
A) nucleus B) element C) electron
- 49. Which elements conduct electricity the best?
A) gases B) metals C) non-metals
- 50. Most of the elements on the Periodic Table are __
A) liquids B) gases C) solids
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