The word "atom" is from the Greek wording meaning this.
Indivisible.
This element is the second element in the periodic table.
Helium
Elements in the table are listed in order of this increasing amount.
Atomic number
Bells are commonly made by alloying these two elements
Copper and tin.
These are formed when two or more atoms join together,
Molecules.
Each element's atomic number matches the amount of ____________ that it has.
The number of protons.
Elements on the table are grouped by similar _______________.
Chemical properties
These metals are commonly found in phones and other electronics.
Rare Earth Metals.
These three subatomic particles can be found in the nucleus of an atom.
Protons, neutrons, and electrons.
This element is the most common element in the universe.
Hydrogen
The current Periodic Table features this many elements.
118
This poisonous gas can be found in cleaning products.
Chlorine
This is the name for what holds subatomic particles together.
The strong force.
These gases are considered "majestic" because they do not react with other elements.
Noble Gases
Most of the elements (over 70%) in the periodic table are this type.
Metals
This chemical element's symbol is AU.
Gold
This element is commonly found in street signs.
Neon
This Russian scientist is credited with setting up the Periodic Table of Elements we use today.
Mendeleev
This metal combines with other elements to form bones.
Calcium