Atoms
These particles have a negative charge, no mass and are located outside the nucleus.
What are electrons?
Material that can be formed into thin wires
What is Ductility?
These two particles (found in the nucleus) are what makes up an atom's mass
What are Protons and Neutrons?
Name of the second most reactive group of metals
What is Alkaline Earth Metals (group 2)
The most reactive halogen.
What is flourine?
Na is the chemical symbol for this element
What is Sodium?
An atom with the same number of protons and different number of neutrons is called this
What is an Isotope?
When added together they make up the atomic mass of an element.
What are neutrons?
The elements that touch the stairstep line on the Periodic Table.
What are metalloids?