All matter is made up of
What is atoms?
Group 1 ions will form this charge
what is +1?
this type of element are semiconductors
what are metalloids?
The majority of elements on the periodic table are
What are metals?
how many energy levels does the periodic table have?
What is seven?
what makes up an atom?
what are protons, neutrons, and electrons?
Ion with a negative charge
what is an anion?
This group contains elements that are nonreactive.
what are noble gases?
this element in group 15 is a commonly known poison.
What is Arsenic?
This family of elements make +2 ions
what are alkaline earth metals?
How many elements are on the periodic table? (including man made elements)
what is 118?
A cation will _______ electrons
What is lose?
this group contains the most reactive metals.
What are alkali metals?
these allow atoms to participate in chemical bonds.
What are valence electrons?
What are the three categories of elements?
What are metals, nonmetals, and metalloids?
what is an electron?
What two subatomic particles are added together for the atomic mass?
what are protons and neutrons?
an unknown element is hard as a rock, silvery, and reacts violently with water. What type of element would it most likely be?
what is a metal?
This metal is a liquid at room temperature
What is mercury?
This family on the periodic table makes -1 ions.
what are halogens?
who created the modern periodic table?
Who is Mendeleev?
a member of the nitrogen family with 16 neutrons
what is phosphorous?
an unknown element is a soft yellow powder and does not conduct conduct an electrical current. What type of element would it be?
what is a nonmetal?
Protons and Neutrons can be further broken down into these.
What are quarks?
How the modern periodic table is arranged.