THE PHYSICAL PROPERTIES OF GRAPHITE
THE PHYSICAL PROPERTIES OF GRAPHITE Graphite Has a high melting point, similar to that of diamond. In order to meltRead More »THE PHYSICAL PROPERTIES OF GRAPHITE
THE PHYSICAL PROPERTIES OF DIAMOND
Diamond Has a very high melting point (almost 4000°C). Very strong carbon-carbon covalent bonds have to be broken throughout theRead More »THE PHYSICAL PROPERTIES OF DIAMOND
COVALENT BONDING – SINGLE BONDS
COVALENT BONDING As well as achieving noble gas structures by transferring electrons from one atom to another as in ionicRead More »COVALENT BONDING – SINGLE BONDS
STRUCTURE AND BONDING
STRUCTURE AND BONDING Ionic (Electrovalent) Bonding Noble gases like neon or argon have eight electrons in their outer shells (orRead More »STRUCTURE AND BONDING
Periods
Characteristics of periods The first period starts with hydrogen (H) and ends with helium (He). It has just two elementsRead More »Periods
THE NOBLE GASES – GROUP 0
THE NOBLE GASES – GROUP 0 In this group, we have Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), XenonRead More »THE NOBLE GASES – GROUP 0
The Halogens – Group 7
THE HALOGENS – GROUP 7 The halogens are all in group 7 on the right of the periodic table. ThisRead More »The Halogens – Group 7
Trend In Atomic Radius
TREND IN ATOMIC RADIUS Going down Group 2: There are more filled energy levels between the nucleus and the outerRead More »Trend In Atomic Radius
REACTIVITY TREND OF ALKALI METALS
As you go down the group from one element down to the next the atomic radius gets bigger due toRead More »REACTIVITY TREND OF ALKALI METALS
The Periodic Table
THE PERIODIC TABLE Dmitri Mendeleev is credited as being the Father of the modern periodic table. In 1869 he arrangedRead More »The Periodic Table