We live in the nucleus of the atom.
What are protons and neutrons?
Information that is contained within a square on the Periodic Table.
What are atomic number, element symbol, element name, and atomic mass?
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?
I have a different number of electrons to protons.
What is an ion?
Reactivity is determined by these. They are also on the outermost shell.
What are valence electrons?
With an atomic mass of 40 and 21 neutrons in my nucleus, I am a very reactive metal.
What is potassium?
The two particles that are always found in the same number in a neutral atom.
What are protons and electrons.
What is a -3 charge?
The smallest subatomic particle, but its cloud accounts for the volume of an atom.
What is the electron?
Elements of this family can gain or lose 4 electrons when reacting with other elements. The head of this family is very important in the chemistry of life.
What is the Carbon Family (group 14)?
Very reactive with alkali metals.
What are halogens (Group 17)?
I am in the second period and typically make a -2 ion.
What is oxygen?