ELEMENTS

PHYSICAL PROPERTIES

• Element symbol Ca
• Physical state Solid
• Color Silvery-gray
• Element Calcium

HISTORY

• Founder was Sir Humphry Davy
• Founded in1808
• Found in earths crust

USES

• Calcium metal is used as a reducing agent in preparing other metals such as thorium and uranium. It is also used as an alloying agent for aluminium, beryllium, copper, lead and magnesium alloys it's also used in milk Calcium compounds are widely used.

PHYSICAL PROPERTIES

• Element name palladium
• Element symbol Pd
• Physical state solid
• Color white

HISTORY

• Founded by William Hyde Wollaston
• Discovered in 1803
• Discovered in London

USES

• Palladium is also widely used in catalytic reactions in industry such as in hydrogenation of unsaturated hydrocarbons as well as in jewellery and in dental fillings and crowns But the main use of palladium along with rhodium and platinum is in the three way catalytic converters in car exhaust systems.