atoms and molecules

Atoms are the basic __________________ _________________ of all matter.

. Atoms are the basic BUILDING BLOCKS of all matter.

What number is Krypton on the periodic table?

36

What number is Carbon on the periodic table?

6

What number is Oxygen on the periodic table?

8

_________ elements occur naturally.

92 elements occur naturally.

All matter is made of ___________________ and ______________________

All matter is made of ATOMS and MOLECULES

When atoms combine, they can make ___________________________

All matter is made of ATOMS and MOLECULES

________________ is in every living thing, like us. __________________ chemistry is the study of this element's compounds.

CARBON is in every living thing, like us. ORGANIC chemistry is the study of this element's compounds.

Electrons __________ each other and move around so fast that the atom acts like a ______________.

Electrons REPEL each other and move around so fast that the atom acts like a SOLID.

Everything in the universe is either _______________ or _______________. The smallest pieces of matter are ____________________.

Everything in the universe is either ENERGY or MATTER. The smallest pieces of matter are ATOMS.

Inside protons and neutrons are ______________. These are studies by a ____________ ____________________

Inside protons and neutrons are QUARKS. These are studies by a NUCLEUR PHYSICIST

NaCl is _________, C3 H5N3O9 is nitro-glycerine used to make ____________________.

NaCl is SALT, C3H5N3O9 is nitro-glycerine used to make DYNOMITE.

__________________________ atoms would fit on the head of a pin.

ONE MILLION atoms would fit on the head of a pin.

__________________ and _________________ are found in the nucleus. Their charges are ______________ and ___________________, respectfully. _________________ buzz around the nucleus at a ________________ distance away.

PROTONS and NEUTRONS are found in the nucleus. Their charges are POSITIVE and NEUTRAL, respectfully. ELECTRONS buzz around the nucleus at a HUGE distance away.

Things are made up of _____________ pieces of stuff.

TINY

The heavy particles of the atom are in the ___________________. The ______________ particles are on the outside. Atoms are mostly ________________ ______________.

The heavy particles of the atom are in the MIDDLE / NUCLEUS. The LIGHT particles are on the outside. Atoms are mostly EMPTY SPACE

The number of ________________ in the nucleus makes the atoms different. Elements have been arranged on a _____________ _____________. The _____________ number represents the number of protons.

The number of PROTONS in the nucleus makes the atoms different. Elements have been arranged on a PERIODIC TABLE. The ATOMIC number represents the number of protons.

To "see" the spaces in matter, add one cup of water and one cup of _______________. The total volume is _____________ ___________ two cups, since alcohol has a lot of _______________ ______________ between molecules, where water molecules can ___________

To "see" the spaces in matter, add one cup of water and one cup of ALCOHOL. The total volume is LESS THAN two cups, since alcohol has a lot of EMPTY SPACE between molecules, where water molecules can FILL

"Atoms" is from a Greek word meaning ______________________.

UNCUTABLE

Water is _____ parts ________________ and ____ part __________________. We know this because water can be split apart by ____________________

Water is TWO parts HYDROGEN and ONE part OXYGEN. We know this because water can be split apart by ELECTROLYSIS