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14 Cards in this Set
- Front
- Back
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What is everything around you made of? |
Matter & Energy |
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Anything that has mass and takes up space.
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Matter |
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What can energy do to matter? |
Energy can hold matter together or break it apart. |
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What makes Matter? |
Matter is made up of atoms. |
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What are Atoms made up of? |
Atoms are made up of three kinds of smaller particles, called protons (+ charged), neutrons (no charge) and electrons ( - charged and involved in chemical reactions). The protons and neutrons are in the middle of the atom called the nucleus. |
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Elements |
Elements are made up of one kind of atom. A) it cannot be broken down into simpler form by normal chemical reaction B) elements are arranged on a chart called the periodic table |
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How many types of compound exist? |
Two basic types of compounds molecular compounds and ionic compounds) - Compounds are made of two or more elements in exact proportion. - They have different properties from the elements that they are made of. - Smallest part of a molecular compound is a molecule
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Molecule; |
A group of atoms held together by the energy of chemical bonds. They form when when atoms shares electrons. |
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Ionic compound |
Ions are electrically charged atoms positive or negative |
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What happens to Ions of opposite charges? |
Ions of opposite charges attract eachother to form electrically neutral compounds. |
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Mixture |
Combination of properties in which substances keep their own properties. |
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Solution |
Mixture where two or more substances are mixed |
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Solution |
Mixture where two or more substances are mixed |
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Suspension |
Forms when a liquid or gas has another substance throughout it |
