Activity 1: Crossword Puzzle Directions: Complete the crossword puzzle below Across 1. reacts with nonmetals to create an ionic bond. 5. a type of covalent bond in which three pairs of electrons are being shared between 2 atoms 9. Covalent bonds mostly occur between 10. these bonds mostly occur between nonmetals or between two of the same (or similar) elements Down 2. An ionic bond is observed between atoms in their tendencies to electrons. 3. Covalent bonds result from the pair between two atoms 4. Atoms bond to become 6. a type of covalent bond in which two pairs of electrons are being shared between 2 atoms 7. the electrons that participate in chemical bonding 8. a type of chemical bond that generates two oppositely charged ions of an electron
Thermochemistry
Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.
Exergonic Reaction
The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.
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