States of Matter
Is ice melting a physical or chemical property?
Physical
Lithium (Li)
What do we call the middle of an atom?
Nucleus
What is the name of the family found in Group 2 of the periodic table?
Alkaline Earth Metals
How many total atoms are in a molecule of H2O?
3
Burning wood to produce ash and smoke is an example of what type of property?
Chemical
What is the atomic number of Boron(B)?
5
How do you know the number of protons in an atom?
Look at the atomic number.
Name one element in the Noble Gas family.
Helium, Neon, Argon, Krypton, Xenon, Radon
DAILY DOUBLE:
How many total atoms are in NaCl?
2
When you boil water on a stove, what phase change is occuring?
Evaporation
What is the atomic mass of Indium (In) rounded?
115
This element is made of atoms with 6 protons and 6 neutrons.
Carbon
What family is Potassium (K) found in
Alkali Metals
How many hydrogen atoms are in one molecule of C6H12O6?
Bonus: What is C6H12O6?
12
In condensation, energy is removed and causes a __________ to turn into a _____________.
gas, liquid
DAILT DOUBLE:
What group and period can you find tungsten (W) in?
Period: 6
Group: 6
How many neutrons are in an atom of Vandium (V)?
Atomic Mass-Atomic Number=Neutrons
51-23=28 neutrons
Oxygen, Nitrogen and Chlorine are all classified as which of the following: Metal, Nonmetal or Metalloid?
Nonmetals
7
Dry ice is an example of what phase change?
Sublimation
What group and period can you find Gallium(Ga) in?
Group:13
Period:4
An atom has an atomic number of 15 and an atomic mass of 31. How many neutrons does it have?
16
Is Antimony (Sb) a metal, nonmetal or metalliod?
Metalliod
How many atoms are there of each element in the following compound:
Zn2(PO4)3
Zn: 2
P: 3
O: 12