Structure of an atom| Atomic mass| atomic Number| Unit 5: lesson No.1 General Science grade 7. ETEA скачать в хорошем качестве

Structure of an atom| Atomic mass| atomic Number| Unit 5: lesson No.1 General Science grade 7. ETEA

This video lecture covers the first lesson of unit no.5 of general science grade seven. At the end of this video lecture you will be able to: 1. describe and draw the structure of an atom in term of electrons, protons and neutrons. 2. Describe how an atom is electrically neutral. 3. Define atomic number and mass number. 4. Differentiate between atomic and mass number. 5. Determine the atomic number and mass number of elements on the basis of the number of protons, electrons, and neutrons. 6. Find the number of protons in an atom. 7. Find the number of neutrons in an atom. 8. Find the number electrons in an atom. #science #etea #nts #atom #matter #atomicstructure #atomicnumber #atomicmass ##proton #neutronstars #neutron #proton #electrons #general #generalknowledge #system #general_knowledge #general_science #generalscience