Element
Misc
Types of Elements
Valence
Periodic Table
100
What element has an atomic mass of 69.723
What is Gallium
100
What elements are touching the "staircase" on the periodic table
Metalloids
100
Found in the nucleus of an atom.
Protons + neutrons
100
How many valence electrons does carbon have?
4 -Four
100
True or False: The periodic table contains only elements found in nature.
False
200
This number stands for the number of protons.
What is the atomic number
200
The majority of the periodic table is...
metals
200
Neutrons and protons make up the nucleus and equal _.
What is the atomic mass?
200
Sulfur has _ valance electrons.
What is 6 (six)?
200
How many periods are on the periodic table?
7
300
The column going up and down of the periodic table
What is the group
300
These types of elements are malleable and ductile
metals
300
Determines the atomic number
What are protons?
300
How many valence electrons does Arsenic have?
5
300
How many valence electrons does Krypton have?
8
400
What element is found on Group 4 period 5?
Ziconium
400
This element has 8 protons and needed for life.
What is oxygen?
400
The only nonmetal in the Akali Family
What is hydrogen?
400
The halogens have this many valence electrons.
What is 7?
400
Chlorine, Bromine, and Iodine have the same chemical properties because they have the same
valence electrons
500
These elements do not conduct heat or electricity.
What are non-metals?
500
The average mass of all the isotopes of an element is the...
What is the atomic mass?
500
Which is not a nonmetal from the following: Boron, Iridium, Hydrogen, Argon?
Iridium
500
What element has a full valence shell but not 8 electrons in its valence shell.
What is Helium?
500
Group number and period number that Copper (Cu) is in.
What is group 11, period 4?