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?
Elements that are malleable (can be hammered or rolled into sheets)
What are Metals?
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?
Number of groups in the periodic table
What is 18?
Most reactive group of metals
What is Group 1?
The element with four energy levels and two valence electrons.
What is Calcium?
What are groups?
These three make up the subatomic particles of an atom.
What are protons, neutrons, electrons?
The reactivity of Sodium(Na)
What is highly reactive?
Located on the left side of the periodic table.
What are metals?
The element with 50 protons
What is Tin?
Mg and Ca belong to this group in the periodic table
What is group 2?
This subatomic particle determines the identity of the element.
What is an Proton?
This group is made up of non reactive gases.
What is group 18 or Nobel Gases?
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?
The elements that touch the zig zag line on the Periodic Table.
What are metalloids?