Periodic Table Flashcards
What do Metalloids have properties of?
Metals an non metals
What’re 3-12 of the periodic table called?
Transition metals
What are halogens?
Non metallic elements found in group 17 of the periodic table
Where are the noble gases found in the periodic table?
Group 18
Where are the non metals on the periodic table?
Groups 14-16
Who made the periodic table
Dmitri Mendeleev
What does the periodic table show
Shows all known element in the universe
What does the periodic table organize
The elements by chemical properties
What is the atomic number
The number of protons found in the nucleus of an Atom
The number of electrons surrounding the nucleus of an Atom
What is the symbol
And abbreviation of the element name
What is the atomic weight
The number of protons and neutrons in the nucleus of an atom
How do I find the number of protons electrons and neutrons using the periodic table
- # of protons = atomic number
- # of electrons = atomic number
- # of neutrons = atomic weight-atomic number
What are the Rose or periods of the periodic table labeled
1-7
Where are the alkali metals found
In group one of the periodic table
What are alkali metals
Highly reactive metals that do not occur freely in nature
