Kimia

Kelimpahan Timbal di Alam: Timbal adalah hasil akhir peluruhan radioaktif alami dan memiliki 82 proton. 208Pb (52,4 %) adalah isotop timbal paling melimpah. Nomor

Dalam kehidupan sehari-hari, kita tidak pernah lepas dari senyawa kimia yang ada di sekitar kita. Pada umumnya senyawa-senyawa kimia yang sering kita jumpai berbentuk

Kelimpahan silikon di alam: Silikon merupakan unsur kedua paling berlimpah di bumi setelah oksigen yaitu mencakup 25,7 % dari kandungan kerak bumi. Silikon di

Here we will learn together about oil drilling process . After choosing the most likely areas, holes are made, sometimes reaching considerable depths, for

There is only one element in the periodic table that does not belong to any particular group: hydrogen. This item has a unique chemistry.

Those elements found in group IA of periodic table are called alkali metals. The most abundant members of this group are sodium, potassium and

All of the elements on the periodic table may be classified as metals, metalloids, nonmetals, or noble gases. About three-fourth of the elements on

Substances vary in their capacity for dissolving in a given solvent, the degree to which a solute will dissolve in a given solvent is

The molarity of solution is the number of moles of solute in 1 liter of solution, molarity + moles of solute/liters of solution. The

A liquid is a compound or element whose molecules or atoms are relatively close together but have much freedom of movement. Because of the