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Chemistry Mid Term
Chemistry Mid Term Mr.Griffin 2017
| Answer | Question |
|---|---|
| James Chadwick | Discovery of a neutron in 1932. An uncharged particle accounts for half of the atoms mass was founded by? |
| Atomists | An atom is an "indivisible" particle. The concept of the atom was proposed by who? |
| John Dalton | Billiard Ball Model, the vast majority of an atom is empty space was proposed by who ? |
| Ernest Rutherford | Gold Foil Experiment and provided the existence of the nucleus. Who was this? |
| Erwin Schrodinger | Electron Cloud Model was founded by who? |
| J.J. Thomson | Discovery of the electron and they are distributed randomly though out the atom was who? |
| Law of Multiple Proportions | Different ratios indicate different compounds. Which law is this? |
| Law of Definite Proportions | Chemist will tell you that water from food or water from any source satisfies which basic law? (A set ratio is a set compound) |
| Oil Drop Experiment | Which experiment by Robert Millikan described the weight of an electron? |
| Law of Conservation of Mass | Matter can be neither be created or destroyed during an ordinary chemical or physical reaction. What law is this? |
| Atom | What is the smallest independently existing piece of matter. |
| Protons + Neutrons | How do you find the mass number of an Atom? |
| Ion | A special type of atom is found by gaining or losing electrons is called what? Ex: S-2 |
| Isotope | A special type of atom having too many or too few neutrons is known as what? Ex: Sulfur - 214 or 4H |
| Flammable | Any substance that can be easily ignited and quick burning is what? |
| Toxic | Any substance able to cause harm to the body through absorption, ingestion, or injection is what? |
| Caustic | Any substance able to burn, damage, or destroy organic tissue by a chemical reaction is what? |
| Electron Cloud | What is the current model of the atom known as? |
| Gold Foil Experiment | Which experiment proved that the atom is mostly empty space and has a nucleus at its core? |
| Speed and Position | The Hiesenburg uncertainty principal states that you cant know which two things the same time? |
| Valence Electrons | What do the dots represent on the electron dot diagram where you add the dots one per side the make them pairs? |
| luster | What is a characteristic of a metal? |
| Brittle | What is a characteristic of a non-metal? |
| Family or group | On the periodic table, elements with similar chemical and physical properties are best defined as what? |
| Alkali Metals | What is the family of elements that contain soft silvery metals that react strongly with water? |
| Noble gasses | What family of elements doesn't react with anything? |
| Up and Right | Electronegativity increases as you do what on the periodic table? |
| Down | The shielding effect increases as you do what on the periodic table? |
| Down and Left | Ionic Radii increases as you do what on the periodic table? |
| Aufbau Principal | Electrons fill from the lowest level to the highest level is which principal? |
| Pauli's Exclusion Principal | No two electrons in an atom have the same set of values is known as what principal? |
| Hunds Rule | Orbitals are filled by one electron before that can have a second electron is called what? |
| Alpha | Which type of radiation is the most dangerous? |
| Gamma | Which type of radiation has the most penetrating power? |
| Stability | Why do isotopes undergo radioactive decay? |
| Dimitri Mendleev | The scientist cited for the creation of the periodic table was who? |
| Halogens | Which family of elements has the most reactive nonmetals on the periodic table? |
| Down and Left | Atomic Radii increases as you do what on the periodic table? |
| Up and Right | Electron Affinity increases as you do what on the periodic table? |
| Up and Right | Ionization increases as you do what on the periodic table? |
| Fission | What is the splitting of atoms called? |
| Fusion | What is the combining of atoms called? |
| Octet Rule | When individual atoms seek to have a full or empty outer shell is which rule? |
| A metal then nonmetal | Ionic bonds are formed by what? |
| Nonmetal | Covenant bonds are formed by what? |
| Ionic, Covenant, Metallic, Acidic, Organic | What are the five major bond types? |
| Dipole-Dipole, Hydrogen, London Dispersion | What are the three types of intermolecular bonds? |
| Oxyanion | A polyatomic anion containing oxygen that can have different amounts of oxygen are known as what? |
| Health Hazard | On the MSDS chart, what does the blue diamond represent? |
| Reactivity | On the MSDS chart, what does the yellow diamond represent? |
| Special equipment needed | On the MSDS chart, what does the white diamond represent? |
| Flammability Hazard | On the MSDS chart, what does the red diamond represent? |
Created by:
Makayleem
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