Atoms
This is the center of an atom
What is the Nucleus?
The atomic number of an element tells me the number of this in the nucleus
What are Protons?
Nonmetals are found mostly on this side of the periodic table
What is the Right?
The element with 47 protons
What is Silver?
The only Noble Gas that does not have 8 valence electrons.
What is Helium?
These particles have a negative charge, no mass and located outside the nucleus.
What are electrons?
The horizontal rows on the Periodic table.
What are periods?
This word describes material that can be hammered or rolled into sheets
What is Malleable?
The Metalloid in period 4 with four valence electrons.
What is Germanium?
Are found on the outermost energy level of an atom and determines how reactive an atom is.
What valence electrons?
These two particles (found in the nucleus) are what makes up an atom's mass
What are Protons and Neutrons?
Group containing elements with 4 valence electrons
What is Group 14.
Name of the second most reactive group of metals
What is Alkaline Earth Metals (group 2)
The element with four energy levels and 8 valence electrons.
What is Krypton?
These groups do not follow a valence electron pattern.
What are Groups 3-12?
These are thee three main subatomic particles.
What are protons, neutrons, and electrons?
Na is the chemical symbol for this element
What is Sodium?
Name for the most reactive group of metals on the Periodic Table.
What are Alkali Metals (Group 1)?
The element with 50 protons
What is Tin?
This is a group of highly reactive nonmetals.
What is group 17?
An atom with the same number of protons and electrons is considered ____________.
What is an Neutral?
Name 3 elements that all have 2 electron shells.
What are Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, and Neon?
Name 4 nonmetals
What is He, H, C, N, O, F, Ne, P, S, Cl, Ar, Se, Br, Kr, I, Xe, Rn, UUo (18 total)
Identify a nonmetal with only one valence electron.
Hydrogen?
Name two metalloids
What are Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium, Polonium, and Astatine?