| Question | Answer |
| 1) The nucleus of the atom contains 2 subatomic particles. The proton and the neutron. |
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2) Covalent bond form when atoms share electrons. |
| 3) The mass of the atom is mostly contained in its nucleus. |
| 4) An element is defined by its atomic number. |
| 5) The atomic number is the same as the number of protons in its nucleus. |
| 6) A period is a horizontal row in the periodic table of elements. |
| 7) The period defines how many shells. |
| 8) To find neutrons you subtract the atomic number from the atomic mass. |
| 9) To find the atomic mass you add the protons and neutrons together. |
| 10) Write an example symbol from any of the elements on the periodic table. |
| 11) Noble Gasses contain 8 electrons in their outer shell and do not normally bond with other elements. They are stable. |
| 12) Metals make up the majority of elements in the periodic table. |
| 13) H2O is an example of a molecule. |
| 14)The chemical formula for table salt is NaCl. |
| 15) A molecule is two or more atoms that are held together by a covalent bond and act a a unit. |
| 16) Atoms are the fundamental building blocks of all matter. |
| 17) In a chemical reaction nothing is lost or destroyed. |
| 18) Jackpot: Take a selfie of yourself with the QR code and show it to Mrs. Williams to receive 2 extra credit points on your test. | |
