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What Am I?
Atomic Parts
Table Pieces
It's Elementary!
Numbers
100
Has a positive charge.
What is a proton?
100
The two regions/parts of the atom.
What are nucleus and electron cloud?
100
The number of periods in the Periodic Table.
What is seven?
100
My symbol is O and my atomic mass is 16.
What is oxygen?
100
The sum of protons and neutrons in the nucleus of an atom.
What is atomic mass?
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
Rows in the Periodic Table.
What are periods?
200
I have 16 electrons whizzing through my electron cloud.
What is sulfur?
200
This tells the number of protons in an atom of a certain element.
What is atomic number?
300
It takes A LOT of me to equal the mass of either of my subatomic particles.
What is the electron?
300
We live in the nucleus of an atom.
What are protons and neutrons?
300
There are 18 of these in the Periodic Table.
What are groups or families?
300
With an atomic mass of 39 and 20 neutrons in my nucleus, I am a very reactive metal.
What is potassium?
300
The atomic number of Argon.
What is 18?
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 in a neutral atom.
What are protons and electrons?
400
Information that is contained within a square on the Periodic Table.
What are atomic number, element symbol, element name, and atomic mass?
400
I am the head of my family in the Halogens, and an important element in helping fight tooth decay.
What is fluorine?
400
The mass number of Dysprosium?
What is 163?
500
Why scientists use models to study atoms.
What is being so small?
500
The smallest subatomic particle, but its cloud accounts for the volume of an atom.
What is the electron?
500
The scientist who discovered the electron.
Who is Thomson?
500
My properties are so unique I have my own separate space on the Periodic Table. I also account for about 10 percent of the weight of living organisms.
What is hydrogen?
500
Mass number - Atomic number =
What is the number of neutrons?