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Periodic table
Review of Periodic Table
| Question | Answer |
|---|---|
| Elements are arranged this way on current periodic table | increasing atomic number |
| Overall charge of an atom | neutral |
| charge of the nucleus of an atom | positive |
| Can be hammered without breaking. | Malleable |
| Name of Group 1A Elements | Alkali Metals |
| Name of Group 2A Elements | Alkali Earth Metals |
| Name of Group 7A Elements | Halogens |
| Name of Group 8A Elements | Noble Gases |
| Vertical columns on P.T. are called what? | Group/Family |
| Horizontal Rows on P.T. are called what? | Period |
| Can be formed into wires | Ductile |
| Cannot be hammered; Will shatter | Brittle |
| Another word for a poor conductor of heat or electricity | Insulator |
| 80% of the periodic table is made up of these | Metals |
| Is the sum of protons + neutrons | Atomic Mass |
| Is the number of protons only | Atomic Number |
| Subatomic particle with a positive charge | proton |
| Subatomic particle with a negative charge | electron |
| Subatomic particle with no charge | neutron |
| change in number of protons | different element |
| change in number of neutrons | isotope |
| change in number of electrons | ion |
| Element that is a nonmetal in group 1 (1A) | Hydrogen |
| B, Si, As, Te, At, Si, Sb are the 7 elements that are... | metalloids aka semiconductors |
| Subatomic particles found in the nucleus | protons + neutrons |
| Subatomic particles that must be equal so atom has neutral charge | protons + electrons |
| Elements were arranged this way on the 1st periodic table | increasing atomic mass |
| Charge of the nucleus only | positive |
| Charge of the entire atom | zero (neutral) |
| name of elements from Groups 1A - 7A | representative |
| electrons found closer to the nucleus of an atom | core |
| electrons found furthest from the nucleus of an atom | valence |
| Contribution made by electrons to the atom | volume and chemical properties |
| Contribution made by protons to the atom | identity and 1/2 atomic mass |
| Contribution made by neutrons to the atom | 1/2 atomic mass |
| top row of f block belongs to this period | 6th period |
| bottom row of f block belongs to this period | 7th period |
Created by:
cadetjt
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