True of False
Iron can turn into a gas.
True
True or False
Everything is made out of matter.
False
What group is Potassium in?
1
Why do atoms bond?
To become stable.
Chemical reactions start with:
Reactants
What state of matter is shown here?
Gas
What is the smallest unit of matter?
The Atom
How many valence electrons does Sulfur have?
6
When bonding what is the "magic number"?
8
What does the Law of Conservation of Mass state?
Matter cannot be created or destroyed, instead it's just rearranged.
The 4 most common states of matter are:
Solid
Liquid
Gas
Plasma
What determines an atom's identity?
Number of protons in the nucleus.
How many electron shells does Argon have?
3
Sharing pairs of electrons is what type of bond?
Covalent Bond
2 examples of a reaction that releases energy.
Fire
Explosion
Cellular Respiration
What is the opposite of condensation?
Vaporization
How are synthetic materials made?
Natural materials that were changed by humans.
What 3 pieces of "hidden" info can be found on the periodic table?
Type of Atom
Number of Shells
Number of valence electrons.
What does Oxygen want to do to become stable?
Gain/share 2 electrons.
Balance:
H2O -> O2 + H2
2 H2O -> 1 O2 + 2 H2
As ice melts, what is happening to the temperature? Why?
Stays the same.
Phase Change
The part of matter invovled in bonding is
The valence electrons.
This element wants to lose 3 valance electrons in its 4th shell.
Ga
What is the correct chemical formula of
Al and F?
What type of bond is it?
AlF3
Ionic
Balance
C5H12 + O2 → CO2 + H2O
C5H12 + 8 O2 → 5 CO2 + 6 H2O