C2 Part 2 Flashcards
What are the main rules to arrange electrons?
Always fill from the inside out
The first shell can only hold 2 electrons
The second and third can hold 8
Who invented the periodic table?
Dmitri Mendeleev
How is the periodic table arranged?
In order of atomic mass and by their chemical properties
What are the 4 sections in the periodic table?
Alkali metals
Halogens
Transition metals
Noble gases
How dense is a metal?
Very dense
How dense is a non- metal?
Very low density
How strong is a metal?
Very strong
How strong is a non-metal?
Not very strong
Is a metal malleable?
Yes
Is a non-metal malleable?
No its brittle
How good is metal for conduction of heat and electricity?
Good
How good are non-metals for conduction of heat and electricity?
Poor/bad