Atoms and molecules 10 points
Answers
Explanation:
Laws of Chemical Combination
Dalton’s Atomic Theory
Atoms and their Symbols
Atomic Mass
Gram Atomic Mass
Ions
Molecule
Formula of Simple and Molecular Compounds
Molecular Mass
Formula Unit Mass
Mole Concept
Explanation:
atoms
1.atoms are smallest partical in fix ratio to form compounds.(lawof matter.
2.it can not be exist in free state.
3.atoms can not be divided.
4.atoms can not be produced not can be destroyed (law of concentration of mass).
5.atoms of one element are identical in all its properties.
6.atoms of different elements combined of constant porportion)
7.atom consist of three sub atomic particles
electron proton and neutron.
8.now,a days it has been proved atoms can be divided in their sub atomic particles.
9.everything on this earth made up of atoms.
10.the word atoms come from Greek word 'uncuttable' or 'undivided'.