Atom Archives -

Chemistry – Atoms -Important Properties-Important One Liners

December 28, 2016 by admin

Atoms -Important Properties-Important One Liners 1-An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. 2-Every atom is composed of a nucleus and one or more electrons bound to the nucleus. 3-Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. 4-The … Read more

Physics – Concept on Atom, Molecule- Important Points

September 20, 2016 by admin

ATOM Atoms are very small, they are smaller than anything that we can imagine or compare with. Relative Sizes Radii (in m) Example 10–1 Watermelon 10–2 Ant 10–10 Atom of hydrogen 10–8 Molecule of haemoglobin 10–4 Grain of sand 10–9 Molecule of water Dalton was the first scientist to use the symbols for elements in … Read more