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29 Cards in this Set

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