Atoms and molecules
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Atoms are the building blocks that make up all matter. They are composed of protons, neutrons, and electrons. Protons and neutrons are located in the center nucleus, while electrons orbit around the nucleus. Atoms can combine to form molecules, the smallest fundamental units of a chemical compound. When two or more atoms join together by sharing electrons, they form a molecule such as a water molecule composed of two hydrogen atoms and one oxygen atom.
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Atoms and molecules
- 1. *
- 2. * *The smallest part of matter *Atoms cannot be divided *Everything is made of atoms.
- 3. * *Atoms are building blocks. If you want to create a language, you'll need an alphabet. *If you want to build molecules, you will need atoms of different elements. *Elements are the alphabet in the language of molecules. Each element is a little bit different from the rest.
- 4. * Part Location Charge proton Inside the nucleus positive neutron Inside the nucleus no charge electron Revolving around nucleus negative
- 5. Atoms are made up of three types of particles. Protons and neutrons are found in the center of the atom. This area is called the nucleus. Electrons are smaller particles that circle around the nucleus. Some particles have an electrical charge. Protons have a positive charge. Electrons have a negative charge. Neutrons have no charge. *
- 6. * A molecule forms when two or more atoms join together. For example, three atoms combine (join) to form a water molecule.
- 7. *
- 8. * Atoms in NeoK12 Use Guest Password: Ask your teacher for the password. To watch the videos, go to “Topics & Activities” under the NEOK12 word. Type full list of topics Scroll down and find videos on atoms