The periodic table Flashcards
(26 cards)
H
Hydrogen
Au
Gold
Li
Lithium
C
Carbon
Fe
Iron
Cu
Copper
S
Sulfur
Ag
Silver
Co
Cobalt
O
Oxygen
What is the smallest part of an element
An atom
In an element what are all of the atoms
They are all the same
What is a polymer
A long molecule chain of a repeated unit
What is Group 1 of the periodic table
Alkali metals
Alkali metals + water = ……
Alkali substances
Name 3 characteristics of Alkali Metals
Good conductors of electricity
Good conductors of heat
They have lower melting points than other metals
Name 3 chemical properties of Group 1
Very reactive
Have exciting reactions with water
The reactions make hydrogen gas
What is Group 7 of the periodic table called
The Halogens
What is Chlorine used for, what is its state of matter and what colour is it
It’s is used for sterilising water
It’s green
It’s a gas
What is Bromine used for, what is its state of matter and what colour is it
It is used for making pesticides and plastics
It’s orange
It’s a liquid
What is iodine used for, what is its state of matter and what colour is it
It’s used for sterilising water
It’s grey
It’s a solid
What is displacement
When a more reactive element comes into contact with a less reactive element. The less reactive element would be displaced
What is Group 0 or 8 of the periodic table called
The Noble Gases
How reactive are Group 0 or 8
Unreactive, they are inert
