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Types of Matter

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