Rhenium

Rhenium is one of the rarest elements in the Earth's crust.

Rhenium is a silvery-white metal.

Boiling Point

Melting Point

Fluorine

At room temperature Fluorine is a gas.

Flourine is a in its pure state is yellow (sometimes described as yellow-green)

Earth

• 13th most commonly found element in the Earth's crust.
• China & Mexico are the main suppliers of Flourine.

Flourine in its natural state is a gas.

Ytterbium

It is the fourteenth and penultimate element in the lanthanide series.

Ytterbium is soft and has a bright silvery luster when in its pure form.

Tarnishes very slowly.

Burns an emerald-green flame.

Lawrencium

103 electrons of which three can act as valence electrons.

Valence Electron

Lawrencium was named after Ernest Lawrence.

Lawrencium is a solid.

Hassium

Hassium does not occur naturally on Earth.

Hassium has no stable or naturally occurring isotopes.

Atomic number of 108.

Some isotopes have half-lives but never long enough to take use of.

Phosphorus

Atomic number of 15.

Not found free but occurs in minerals.

White Phosporus

White Phosphorus is known to glow in the dark.