That's a Group
Group 17 are known as
What is halogens ?
Most elements on periodic table are...
What is metals ?
Number of protons in nucleus of atom tells us this
What is atomic number?
This element type is found to the left of the amphoteric line.
What are metals?
The horizontal rows of the Periodic Table
What are periods?
The elements in Group 1 are called
What is alkali metals ?
The state of nitrogen at room temperature
What is gas ?
For an atom to be neutral it must have the same number of these 2 subatomic particles
What are protons and electrons?
He developed the first Periodic Table which the modern Periodic Table continues to based upon
Who is Dimitri Mendeleev?
These have atomic numbers 58-71
What are the lanthanide series?
Groups 3-12 are these
What are transition metals?
Nickel is classified as this
What is (transition) metal?
This is used by many as a pictorial representation of an atom
What is a Bohr Model?
The elements are arranged on the Periodic Tables by this
What is atomic number (ascending number of protons)?
The number of natural elements found on the periodic table
What is 92?
Elements in Group 18 do not bond with other elements and are known as these
What is noble gases?
The state of sodium at room temperature
What is solid ?
This makes up the atomic mass of an element
What is number of protons + neutrons ?
These are found to the right of the amphoteric line.?
What are non metals?
The vertical columns of the Periodic Table
What are groups?
These are the vertical columns
What is groups?
The 2 different classes that element are divided up into?
What is metal, nonmetal ?
To find the number of neutrons in an atoms nucleus
What is subtract atomic number from the atomic mass?
The only element that has no neutrons
What is Hydrogen?
To be held in the same column these elements must have these
What are similar properties?