The atomic number of an element tells me the number of this in the nucleus
What are Protons?
100
Nonmetals are found mostly on this side of the periodic table
What is the Right?
100
The element with 47 protons
What is Silver?
100
The only Noble Gas that does not have 8 valence electrons.
What is Helium?
200
These particles have a negative charge, no mass and located outside the nucleus.
What are electrons?
200
The horizontal rows on the Periodic table.
What are periods?
200
Material that can be hammered or rolled into sheets
What is Malleable?
200
The Metalloid in period 4 with four valence electrons.
What is Germanium?
200
Are found on the outermost energy level of an atom and determines how reactive an atom is.
What valence electrons?
300
These two particles (found in the nucleus) are what makes up an atom's mass
What are Protons and Neutrons?
300
Number of groups in the periodic table
What is 18?
300
Name of the second most reactive group of metals
What is Alkaline Earth Metals (group 2)
300
The element with four energy levels and two valence electrons.
What is Calcium?
300
The deterioration of a metal due to reactions with the environment.
What is corrosion?
400
The building blocks of all matter.
What are atoms?
400
Na is the chemical symbol for this element
What is Sodium?
400
Name for the most reactive group of metals on the Periodic Table.
What are Alkali Metals (Group 1)?
400
The element with 50 protons
What is Tin?
400
Mg and Ca belong to this group in the periodic table
What is group 2?
500
You can calculate the number of neutrons in an atom by doing what?
Round the Atomic Mass and subtract the Atomic Number from the Atomic Mass. EX: For example, Nitrogen, round 14.01 to 14 and subtract 14-7 = 7 neutrons.
500
When added together they make up the atomic mass of an element.
What are protons and neutrons?
500
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)
500
Identify a nonmetal with only one valence electron.
Hydrogen?
500
The elements that touch the zig zag line on the Periodic Table.