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The Atom (RAD 156)
| Question | Answer |
|---|---|
| Atoms are mostly | Empty Space |
| An_______ is a charged particle | Ion |
| Has More Protons and is positively charged | Cation |
| Has More Electrons and has an overall negative charge | Anion |
| The closer the orbit is to the nucleus, | The higher the binding energy |
| ________ possesses greatest/highest Binding Energy | K Shell |
| Shells are filled from the | Inside Out |
| Maximum shell capacity = | 2n^2(squared) |
| _____= shell level | n |
| K Shell Maximum amount of Electrons | 2 |
| L Shell Maximum amount of Electrons | 8 |
| M Shell Maximum amount of Electrons | 18 |
| N Shell Maximum amount of Electrons | 32 |
| The Outermost Shell is the | Valence Shell |
| A maximum of eight electrons can exist in the valance shell of any atom | Octet Rule |
| The smallest particle of an element that still posses the characteristics or properties of that element is an | Atom |
| Substance that is made from at least two different elements | Compound |
| The smallest particle of a compound that still posses the characteristics or properties of that compound is still the | Molecule |
| Ions_______, creating a molecule | Attract |
| Ionic Bonds complete the valence shell by _______, creating ions | Transferring Electrons |
| Covalent Bonds complete the valence shell by______ | Sharing Electrons |
| Atomic Mass is- | Equal to the number of protons and neutrons in an atom |
| Referred to as an element’s “Z” number | Atomic Number |
| Referred to as an element’s “A” number | Atomic Mass |
| The ________ was created by Dmitri Mendeleev in 1869 | Periodic Table of Elements |
| There are 18 ________ on the periodic table | Different groups of elements |
| Exposure is | Ionizations/charge |
| Air Kerma is | Energy |
| Substance that is made entirely from one type of atom- | Element |
| Combination of more than one atom- | Molecule |
| Electron Shells are named- | Starting in the middle at K, then moving outward alphabetically |
| Protons and Neutrons Have | Measurable Mass |
| Electrons Have | Negligible Mass |
| __________ describes both how tightly the electron is held in its shell and how much energy would be needed to remove the electron from the shell | Binding Energy |
| ________ possesses the Lowest Binding Energy | N Shell |
| Atoms with more or less then 8 valence electrons participate in ________ to attain the octet | Chemical Bonds |
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