Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is anything that has mass and takes up space? | Matter
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| What is all matter made up of? | Atoms
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| What are the three types of matter? | Elements, Compounds & Mixtures
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| Which type of matter is made up of only one TYPE of atom? | Element
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| Which types of matter is made up of two or more atoms? | Compounds & Mixtures
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| Which types of matter are chemically combined? | Elements & compounds
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| Where can all of the known elements be found listed? | Periodic Table of Elements
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| Water, Carbon Dioxide, Salt & sugar are all examples of which type of matter? | Compounds
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| Gold, copper, oxygen, helium & alluminum are all examples of which type of matter? | Elements
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| Bronze, salt water, soda, air & ice cream are all examples of which type of matter? | Mixtures
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| Which type of matter can be seperated by physical means (hammering, magnets, phase changes)? | Mixtures
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| Which type of matter must be combined in fixed ratios? | Compounds
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| What do we call a shorthand way of writing down the atoms in a compound using symbols? | Chemical Formula
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| What do we call the tiny number written to the bottom right of an element which lets us know how many atoms of that element are in the compound? | Subscript
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| What is the chemical formula for water? | H20
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| What two elements make up salt? | sodium and chlorine
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| Which physical property of water is being used the seperate it from a mixture of salt water when it changes from a liquid to a gas? | Boiling Point
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| Which physical property of iron is being used to seperate it from a mixture with a magnet | Magnetism
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| Which physical property is sand is being used to seperate it from a mixture by filtering? | Size
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| Which physical property is used to seperate the oil from a mixture of oil & water? | density
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| What are the two types of mixtures? | Homogeneous & Heterogeneous
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| Which type of mixture is very well mixed and looks uniform throughout, making it impossible to see its seperate parts? | Homogeneous Mixture
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| Which mixture is not well mixed and not uniform throughout, making it easy to see the different parts that make up the mixture? | Heterogeneous Mixture
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| Vanilla ice cream, iced tea, air, chocolate milk, paint & bronze are all ____ mixtures. | Homogeneous
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| Oatmeal raisen cookies, chicken noodle soup, M&Ms, italian dressing & fruit salad are all ___ mixtures. | Heterogeneous
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| Are atoms of different elements the same? | No
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| What are the 3 parts of every atom? | Electron, Proton, Neutron
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| What parts are found in the nucleus of an atom? | Proton, Neutron
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| Where are electrons located in an atom? | Around the nucleus
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| Which part of an atom is the lightest in weight? | Electron
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| Which part of an atom is positively charged? | Proton
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| Which part of an atom is negetively charged? | Electron
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| Which part of an atom has no charge, or is neutral? | Neutron
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| What is a molecule? | The combination of ANY 2 atoms
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| Are all molecules composed of 2 DIFFERENT types of atoms? | No
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| Are all compounds molecules? | Yes
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| Are all molecules compounds? | No
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| Which number on the periodic table tells you the number of protons and electrions? | Atomic Number
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| How do you calculate the number of neutrons? | Atomic Number minus Atomic mass
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| Where did Neil Bohr say electrons were found? | Moving on energy levels
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| How many electrons does the K level hold? | 2
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| How many electrons does the L level hold? | 8
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| How many electrons does the M level hold? | 18
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| How many electrons does the N level hold? | 32
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| Which energy level fills up with electrons first? | K level or inside level
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| Elements that are good conductors, malleable, generally solids, gray in color and shiny are known as...? | Metals
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| Where are metals found on the periodic table? | Left side
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| Elements that are generally gases, poor conductors and brittle are known as....? | Nonmetals
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| Where are metals found on the periodic table? | Right side
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| What do we call the elements that touch the staircase and share some properties of metals and some properties of nonmetals? | Metalloids
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| What does malleable mean? | Can be bent into shape
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| Where are velence electrons found? | The outermost energy level that contains electrons
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| What do valence electrons determine? | An elements physical and chemical properties
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| How many valence electrons does an atom need to be stable? | 8 or a full valence shell
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| What must atoms do in order to become stable? | bond
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| What type of bond is formed between metals and nonmetals? | Ionic Bond
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| What 2 parts of an atom make up its atomic mass? | Protons Neutrons
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| When forming an ionic bond, do metals tend to lose or gain electrons? | lose
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| When forming an ionic bond, do nonmetals tend to lose or gain electrons? | gain
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| What do we call an atom that gains or loses electrons, resulting in a positive or negetive charge? | Ion
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| How do you create a negetive ion? | GAIN (add) electrons
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| How do you create a positive ion? | LOSE (remove) electrons
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| Why must you NEVER change the number of protons when creating an ion? | Changing protons changes the type of atom
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| What do we call the rows across a periodic table? | Periods
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| What do we call the columns down a periodic table? | Family or Groups
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| What happens to the number of valence electrons across a period? | Increases
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| What happens to the reactivity of the elements as you move across a period? | Decreases
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| What is the NAME of the gruop or family that the LEAST reactive contains elements? | Noble Gases
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| What happens to the number of valence electrons as you move down a family? | Stays the same
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| What happens to the number of energy levels that contain electrons as you move down a family? | Increases
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| What do we call substances that can not be broken down by PHYSICAL means? | Pure Substances
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| Which types of matter are PURE SUBSTANCES? | Elements Compounds
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Created by:
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