BTEC Applied Science Unit One Chemistry

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How many electrons can each orbital hold? Two How many electrons can be held in each sub shell? S - 2 P - 6 D - 10 F - 18 Put the sub shells in order do their energy, lowest to hi... ghest S, p, d and f How do we fill the p and d subshells singly first and then doubly What is an orbital? A region of space around the nucleus where there is a 95% chances of finding an electron What is the Aufbau principle? An electron occupies the lowest-energy orbital that can receive it What happens when an electron absorbs radiation? It moves from the ground state energy level to a higher energy level What happens when an electron moves from the higher energy levels to a lower energy level? Emits radiation Define Ionic bonding The electrostatic attraction between oppositely charged ions Where does ionic bonding occur?l between metals and non-metal What is electron spin? Electrons have two states, spin up and spin down. In an orbital each electron will be in a different spin state [Show More]

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