What element has an atomic mass of 69.723
What is Gallium
What elements are touching the "staircase" on the periodic table
What are Metalloids?
Found in the nucleus of an atom.
What are protons + neutrons?
The number of valence electrons in Carbon?
What is 4 -Four?
True or False: The periodic table contains only elements found in nature.
What is False?
This number stands for the number of protons.
What is the atomic number?
The majority of the periodic table is...
What are metals?
Neutrons and protons make up the nucleus and equal _.
What is the atomic mass?
Oxygen has _ number of valance electrons.
What is 6 (six)?
The number of periods that are on the periodic table?
What is 7?
The column going up and down of the periodic table
What is the group?
These types of elements are malleable and ductile.
What are metals?
Determines the atomic number
What are protons?
The number of valence electrons in Phosphorus?
What is 5?
The number of valence electrons in Krypton?
What is 8?
The element is found on Group 4 period 5?
What is Zirconium?
This element has 8 protons and needed for life.
What is oxygen?
The only element with no neutrons
What is hydrogen?
Elements in Group 1 have this many valence electrons.
What is 1?
Chlorine, Bromine, and Iodine have the same chemical properties because they have the same number of .............
What are valence electrons?
These elements do not conduct heat or electricity.
What are non-metals?
The attraction of these two subatomic particles holds the atom together.
What are a positive charge of protons to the negative charge of the electrons?
Which is not a non-metal from the following: Boron, Iron, Hydrogen, Argon?
What is Iron?
These elements have a full (complete) valence shell.
What are Noble Gasses (Group 18)?
Group number and period number that Copper (Cu) is in.
What is group 11, period 4?