Electrons move around in areas called energy levels or...
What are "shells?"
Valence electrons mean the number of electrons found where?
In the atom's last shell
My symbol is H...What am I?
Hydrogen
Most of the Periodic Table are...
What are Metals?
I am Aluminum. What is my symbol?
Al
I tell the number of protons and neutrons in the nucleus.
What is mass number?
This metal touches the Metalloid line but is NOT a Metalloid...
What is Aluminum?
How do I find the number of Neutrons?
Subtract the mass number from the proton number.
I am the smallest unit of matter.
What is an atom?
The Lanthanide series is found on the top row of the bottom section of the table. True or False?
True!
What is are the rules for how many electrons go in each shell?
2,8,8,18
The 3 small parts found within all atoms are called.
What are subatomic particles?
I am the smallest of the 3 subatomic particles...
What is an electron?
True or False...Period 4 means that all of the atoms in that row have 4 shells.
True!
How many Metalloids are there?
7
A substance that contains 2 or more atoms is a
What is a Compound or Molecule?