Definitions Related to Science of Matter Fill in the Blanks with Key Words

What is Matter: • What is Matter | Grade...
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Molecules will be further explore with many examples.
Key points about molecules:
• Molecules are formed when two or more atoms bond together in fixed ratio.
• Molecules can be made from same kind of atoms or different kind of atoms.
• Molecules are formed with covalent bond or ionic interaction.
• Molecules can be diatomic, polyatomic or in large chains.
• Molecules can exist by themselves and are often stable in contrast to atoms where only the noble gas atoms are stable.
• Molecule is the smallest, electrically neutral, fundamental unit of taking part in any chemical reaction.