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29 Cards in this Set
- Front
- Back
- 3rd side (hint)
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All matter takes up________ and has ________.
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All matter takes up SPACE and has WEIGHT.
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Matter is made up fo small particles called ____. They are contantly ______.
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Matter is made up fo small particles called ATOMS. They are contantly MOVING.
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The atomic theory of matter says that ___________________.
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The atomic theory of matter says that ALL MATTER IS MADE UP OF ATOMS.
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Combinations of atoms are called _______.
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Combinations of atoms are called MOLECULES.
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When atoms combines it gives matter its _____________.
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When atoms combines it gives matter its PROPERTIES.
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They no longer have the properties when the atom is ___________.
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They no longer have the properties when the atom is separated
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An element is matter of only one kind of atom.
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An _________ is matter of only one kind of atom.
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Three smaller particles make up atoms.They are the ________-_,__________, and ___________.
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Three smaller particles make up atoms.They are the protons,neutrons, and electrons.
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The nucleus of each atom, except for hydrogen,contains neutrons and protons.
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The _______ of each atom, except for hydrogen,contains ________ and ________.
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Electrons travel around the nucleus.
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_________ travel around the nucleus.
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The number of ________ equals the number of ________.
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The number of electrons equals the number of protons.
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The electrical charge on a proton is ______and the charge on the electrons is ________. These is_____ charge on neutrons.
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The electrical charge on a proton is positive and the charge on the electrons is negative. These is no charge on neutrons.
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protons== positive
electrons=== negative (opposite) neutrons== no--- none. |
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A __________ is used by a chemis, instead of ahte whole name.
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A symbol is used by a chemis, instead of ahte whole name.
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Atoms ______ be seen.
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Atoms can't be seen.
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There are ________of water molecules in one drop of water.
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There are billions of water molecules in one drop of water.
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more than millions
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Molecules ______into each other as they move to a place that is less evenly spaced.
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Molecules bump into each other as they move to a place that is less evenly spaced.
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The state of matter can also be changed by changing the _______.
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The state of matter can also be changed by changing the FORM.
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not the shape.
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The way a molecule moves is changed by ____ and _______.
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The way a molecule moves is changed by heat and cold.
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the two variable of temperature.
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The three states of matter are ______, ______and _______.
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The three sates of matter are solid, liquid and gas.
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think ABOUT THE MANY SHAPES WATER TAKES. think about AND ICE CUBE... IT'S HARD....THEN WHEN IT MELTS ITS....wet.... THEN IF YOU BOIL IT IT TURNS TO STEAM.
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electrons TRAVEL IN _____
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electrons TRAVEL IN EIGHT
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a NUMBER
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h2o WHAT DOES THE NUMBER REPRESENT?
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the NUMBER IN THE FORMULA TELLS HOW MANY OF EACH ATOM THERE ARE.
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_____ AND______DON'T JOIN WITH OTHER ATOMS BECAUSE THE ORBIT ___________.
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helium AND NEON DON'T JOIN WITH OTHER ATOMS BECAUSE THE ORBIT CLOSED
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_________ AND NUMBERS ARE USED TO MAKE _______ WHICH IS THE COMBINATIONS THAT ATOMS MAKE.
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atomic SYMBOLS AND NUMBERS ARE USED TO MAKE FORMULA WHICH IS THE COMBINATIONS THAT ATOMS MAKE.
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most OF AN ATOM IS ________.
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most OF AN ATOM IS EMPTY SPACE.
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WHAT KIND of space
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H20 is the formulas for water. Oxygen is the formula for salt.
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H20 is the formulas for _____. ______is the formula for salt.
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H20 is the formulas for water. NaCl is the formula for salt.
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The symbols are what _____ are are int he molecule
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The symbols are what atoms are are int he molecule
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smallest unit matter.
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Atoms can combine to form molecules. the material can be different from each of the separate molecules. Water is made up of oxygen and hydrogen atoms.
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Atoms can combine to form _________. the material can be different from each of the ________ molecules. Water is made up of _________ and _________ atoms.
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Only 2 electrons can be held in the first orbit,8 in the second orbit,and 18 in the third.
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Only __ electrons can be held in the first orbit,__ in the second orbit,and ___ in the third.
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If all the"slots" for electrons are not filled, this provides a way for one atom to join other atoms.
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If all the"slots" for electrons are not filled, this provides a way for one ______ to join other atoms.
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