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