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Matter
Atoms
Periodic Table
Molecules
CHALLENGE!
100
What do you call anything that has mass and occupies space?
Anything that has mass and occupies space is called MATTER.
100
What is the smallest whole part of any substance (all matter is made up of these)?
The smallest whole part of any substance is called an ATOM.
100
An __________________ is a pure substance made up of only one type of atom.
An ELEMENT is a pure substance made up of only one type of atom.
100
A _______________ is a combination of two or more atoms.
A MOLECULE is a combination of two or more atoms.
100
The ATOMIC NUMBER = the number of _______________ in an atom. HINT: This is a type of subatomic particle.
The atomic number = the number of PROTONS in an atom.
200
What are the three states of matter?
The three states of matter are: SOLID, LIQUID, and GAS.
200
Name the three subatomic particles.
The three subatomic particles are called: PROTONS, NEUTRONS, and ELECTRONS.
200
All of the known elements are organized into a table called the _____________ _____________ ___ _______________
All of the known elements are organized into a table called the PERIODIC TABLE OF ELEMENTS.
200
The formula for a molecule of water is ___________
H20 is the formula for one molecule of water.
200
The chemical formula for common table salt is NaCl. Using your Periodic table, tell what TWO ELEMENTS make up salt.
Salt is made up of Na (SODIUM) and Cl (CHLORINE).
300
Water in its solid state is called______
Water in its solid state is called ICE.
300
Located in the nucleus of the atom, these subatomic particles contain a positive charge.
PROTONS are located in the nucleus of atoms and have a positive charge. REMEMBER: PROTONS = POSITIVE charge
300
Using your periodic table, what is the element's name represented by the symbol O?
The symbol O = the element OXYGEN
300
Water (H20) has how many atoms of hydrogen?
Water (H20) has TWO atoms of hydrogen and ONE atom of oxygen.
300
The ATOMIC MASS = the number of _______________ + the number of ________________
The ATOMIC MASS = the number of PROTONS plus the number of NEUTRONS.
400
Water in its gaseous state is _________
Water in its gaseous state is called STEAM or WATER VAPOR.
400
Located in the nucleus of the atom, these subatomic particles carry no charge (considered neutral).
NEUTRONS are located in the nucleus of atoms and carry no charge (neutral). REMEMBER: NEUTRONS = NEUTRAL charge (no charge)
400
Using your periodic table, what is the atomic # for the element Oxygen?
Oxygen's atomic # is 8 (eight)
400
When we made our molecules with gumdrops, the toothpicks represented ________________________
The toothpicks represented CHEMICAL BONDS (shared electrons).
400
True or false: Kr is the symbol for the element KRYPTON.
TRUE. Kr is the symbol for KRYPTON (but NOT Kryptonite!)
500
A change in ___________________ can cause matter to change from one state of matter to another.
A change in TEMPERATURE can cause matter to change from one state of matter to another.
500
The only subatomic particles located outside of the nucleus, these subatomic particles carry a negative charge.
ELECTRONS are the only subatomic particles located outside of the nucleus and they carry a negative charge. REMEMBER: ELECTRONS = NEGATIVE charge
500
Using your periodic table, give the elements name and atomic number for the symbol: H
The symbol H = HYDROGEN and hydrogen's ATOMIC # is 1
500
A molecule of carbon dioxide (CO2) contains how many carbon atoms and how many oxygen atoms?
Carbon dioxide contains ONE carbon atom and TWO oxygen atoms.
500
Using your periodic table, the symbol and atomic # for HELIUM is_______________ and _______________
The symbol for HELIUM is He and the atomic # is 2.