Sunday, 29 July 2018

Liquid expansion: Real and apparent expansion, cubic expansivity.




Expansion of liquid; Real and apparent expansivity

Like solid, liquid expands on heating and contracts on cooling, because liquid is always held in a container, the expansion of liquid is always complicated because of the expansion of the container itself.

Monday, 23 July 2018

Physics: Anomalous Expansion of Water


Anomalous expansion of water

Anomalous expansion of water

This means something that is unusual. The temperature range of water from 0°C to 4°C is unlike most substance because is volume decreases as the temperature increases. 

Monday, 16 July 2018

Periodic table: periodic law, groups, periods

Periodic Table
Table of Contents
1) What is periodic table?
2) What is the periodic law?
3) What are Groups?
4) What are periods?
5) Families of Elements
6) Group 0 to 7 properties.









Periodic table
The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number and electron configuration. The periodic table is divided into eight (8) vertical columns known as "Groups" and eight (8) horizontal columns known as "Periods".

Saturday, 7 July 2018