What Am I?
Atomic Parts
All In The Family
Table Pieces
It's Elementary
100
Has a positive charge.
What is a proton?
100
The three particles that make up an atom 
What are protons, electrons, and neutrons? 
100
Elements that are shiny and conduct heat well. They are malleable. (ex. iron) 
What are metals? 
100
The rows of the periodic table
What are periods? 
100
It is the smallest, indivisible unit of matter 
What are atoms? 
200
I tell the number of protons contained inside an atom of an element.
What is the atomic number?
200
All of the mass of an atom is concentrated here.
What is the nucleus?
200
Poor conductors or heat that are dull and brittle (ex. carbon) 
What is a nonmetal?
200
The number of rows in the Periodic Table.
seven
200
The weighted average of all naturally occurring isotopes of an element (hint: protons+neutrons) 
atomic mass
300
I have a negative charge and float around the nucleus of an atom 
What is an electron?
300
We live in the nucleus of an atom.
What are protons and neutrons?
300
Contain properties of both metals and nonmetals (ex. silicon) 
what are metalloids? 
300
There are 18 of these in the Periodic Table.
What are groups or families?
300
I am a noble gas with an atomic number of 10 and a atomic mass of 20. I am also used for advertising signs. 
What is neon?
400
Atoms with the same number of protons, but different number of neutrons.
What are isotopes?
400
The two particles that are always found in the same number.
What are protons and electrons.
400
The number of electrons that can be found in the first and second electron cloud 
2 and 8 
400
What we find when we subtract the atomic mass from the atomic number 
What are neutrons? 
400
 two common gases that can be found in the atmosphere
What is oxygen, nitrogen, and carbon dioxide?
500
Electrons found in the outermost energy level of an atom. 
Valence electrons 
500
This is how atoms are held together. 
What is a chemical bond? 
500
The number of electrons that go in the third shell and beyond
18
500
The four things that can be found on a block of the periodic table

What are atomic number, element symbol, element name, and atomic mass?

500
My properties are so unique I have my own separate space on the Periodic Table. I was also the end of the Hindenburg.
What is hydrogen?
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