Periodic table of the elements Flashcards
1
Q
define an element
A
a pure substance that can’t be broken down anymore (and is made of only one type of atom)
2
Q
what is name the name of the horizontal rows on the periodic table?
A
periods
3
Q
what is name the name of the vertical columns on the periodic table?
A
groups
4
Q
Who first arranged the elements in a pattern?
A
Dmitri Mendeleev
5
Q
Where are the metals found on the periodic table?
A
left and middle
6
Q
Where are the non metals found on the periodic table?
A
right
7
Q
How are elements arranged on the periodic table?
A
according to their properties (or in order of their atomic number)
8
Q
What are the general properties of metals?
A
shiny ductile malleable solid (except mercury) high MP/BP
9
Q
Name 4 semi-metals
A
boron, silicon, germanium, arsenic, (antimony, tellurium)
