Atomic Composition
What is the Atomic Number of Beryllium?
4
Which side of the stairstep contains the metals?
to the left
What group contains the Alkaline Earth Metals?
Group 2
What is the symbol for Iron?
Fe
How many Protons are in the element of Gallium?
31
What does the Bohr Model demonstrate? (think the placement of the electrons)
How the electrons orbit around the nucleus of the atom
List a nonmetal that is found in group 14
Carbon
What is the atomic mass of Tin?
118.7 or 119
How many electrons are in Rubidium?
37
What makes up an element?
one type of atom
List one metal that is found in the 13th group.
Boron, Aluminum, Gallium, Indium, or Thallium.
What is the name of the element with the symbol, Rb?
Rubidium
What is the atomic mass of Phosphorus?
30.974 or 31
What makes up molecules?
Different amounts of atoms
List one metalloid that is found in period 5.
Antimony or Tellurium
What is the atomic number for Cu?
29
How many Neutrons are in Gallium?
39
What is a compound?
A substance made up of two or more elements bonded together
What is a metalloid?
Elements that have properties of both metals and nonmetals
How many Neutrons are in Phosphorus, P?
16