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35 Cards in this Set
- Front
- Back
Name the first 20 elements on the Periodic Table of elements (symbols and names)
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Hydrogen - H, Helium - He, Lithium - Li, Beryllium - Be, Boron - B, Carbon - C, Nitrogen - N, Oxygen - O, Flourine - F, Neon - Ne, Sodium - Na, Magnesium - Mg, Aluminum - A, Silicon - Si, Phosphorus - P, Sulfur - S, Chlorine - Cl, Argon - Ar, Potassium - K, Calcium - Ca
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What is the atomic number and the atomic mass?
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Atomic number is the number of protons and the atomic mass is the number of protons and neutrons.
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What is matter?
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Matter is anything that takes up space and has mass.
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What are the four kinds of matter?
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The four kinds of matter are solid, liquid, gas and plasma.
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What is the formula for finding volume of a solid?
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The formula for finding volume of a solid is L x W x H
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What units is the volume of a solid and a liquid expressed as?
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The volume of a solid is expressed in cubic units and volume of a liquid is expressed in liters.
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What happens when matter changes from one state to another?
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Matter that changes from one state to another is a physical change.
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What is bonding?
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The interaction among atoms that occurs when electrons are shared or transferred is called bonding.
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What do you know about shells?
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Shells hold a certain number of electrons and that the outer shell, also called energy level, determines how easily an atom of an element will bond with another element's atom.
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What are atoms made up of?
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Atoms are made up of subatomic particles called protons, neutrons and electrons.
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Where are the protons, neurtons and electrons?
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Protons and neutrons are located in the nucleus and electrons race around outside the nucleus.
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What is the strongest force on Earth?
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Nuclear force is the strongest force on Earth.
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How is the Periodic Table of Elements organized?
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The Periodic Table of Elements is organized in a few ways - by periods horizontal rows - all of these elements have the same number of shells and by groups or columns - all of these elements have the same number of electrons in their outer shell.
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How are the elements listed in the Periodic Table of Elements?
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The elements are listed on the Periodic Table by atomic numbers, increasing from the first element, Hydrogen, whose atomic number is 1.
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What is the difference between matter and energy?
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The entire physical universe is madeup of matter and energy. Matter is anything that takes up space and energy is the capacity to do work.
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What do magnetic poles do?
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Opposite magentic poles attract, while like magnetic poles repel.
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Why is oil less dense than water?
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Oil is less dense than water because it floats to the top when combined.
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What happens with solubility?
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Substances with high solubility will seem to disappear in water, while substances with low solubility will turn the water cloudy, settle to the bottom or float on top.
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What is a mixture?
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A mixture is a combimnation of different substances whose characteristics do not change, despite being mixed together.
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What has a higher solubility sugar or sand?
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Sugar has a higher solubility than sand.
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What affects a solvents ability to dissolve a solute?
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A solvent's ability to dissolve a solute is affected by different variables, such as temperature, surface area and motion.
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In a sugar/water solution, which is the solvent and which is the solute?
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In a sugar/water solution, the water is the solvent and the sugar is the solute.
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What happens when physical properties change?
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When physical properties of a substance change, they can be easily reversed.
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What happens when a chemcial change occurs?
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A chemical change occurs when a new substance is formed, energy is absorbed or released and it is not easily reversible.
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What is a compound?
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A compound is formed by two or more atoms of different elements combining in a chemical reaction.
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What is oxygen?
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Oxygen is an element that combines with many other elements and compounds.
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When does oxidation take place?
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Oxidation takes place when an element or compound reacts with oxygen.
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What are the three signs that a chemical reaction is taking place?
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The three signs that a chemical reaction is taking place is color change, smoking and bubbling.
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What is the Law of Conservation?
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The Law of Conservation of Energy states that energy cannot be created or destroyed; it simply changes form.
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What happens to molecules in a solid?
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In a solid form, molecules are still moving, but they are packed tightly together.
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What happens to molecules in a liquid form?
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In a liquid form, molecules are bumping up against each other and have more room to move.
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What happens to molecules in a gas?
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In a gas, molecules will move about freely and spread out to fill any space.
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What happens to subsatances when heated and cooled?
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Most substances expand when heated and contract (get smaller) when cooled.
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What is conduction and convection?
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Conduction is when heat flows from obe object to another by direct contact and convection is when particles in a fluid carry heat from one place to another.
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What is an insulator?
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An insulator is a substance that slows down the transfer of heat.
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