This video explains how to write good brief essays by using a few principles. Learn how to state, quote and explain to convince the reader about your point of view.
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- H – Hydrogen
- He – Helium
- Li – Lithium
- Be – Beryllium
- B – Boron
- C – Carbon
- N – Nitrogen
- O – Oxygen
- F – Fluorine
- Ne – Neon
- Na – Sodium
- Mg – Magnesium
- Al – Aluminium
- Si... (More)
– As you move to the right across a period of elements, electronegativity increases.
– As you move down a group, electronegativity decreases.
– As you move down a group, atomic radius increases.
– As you move... (More)
Main differences between Mendeleev’s Periodic Table and the modern periodic table:
- In the modern periodic table, the elements are arranged in order of increasing atomic number. (In Mendeleev’s table, they were arranged in order of increasing atomic weight).
- More... (More)