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Chem B final review

Chem B - final revie

QuestionAnswer
What is the atomic number of an atom with 12 protons? atomic number is 12
How many electrons do the most reactive elements have? 1 or 7
Each type of atom has a unique number of what? protons
As you move down a column on the periodic table, what happens to the number of energy levels? The number increases by one.
Why do atoms form bonds? full energy levels make an atom more stable
What happens to electrons during a covalent bond? electrons are shared
What happens to electrons during an ionic bond? electrons are given away or taken
In a Lewis Dot structure, how many electrons will be in the most stable atom? 8
List 3 ways to tell a chemical reaction has occurred. Color change in a reaction, a gas is made, an odor is given off, light is produced
In a chemical equation, who side of the --> are the reactants on? Reactants are on the left
In a chemical equation, who side of the --> are the products on? products are on the right
If energy is released, is it endothermic or exothermic? exothermic
If the temperature of the surroundings increases, is it endothermic or exothermic? exothermic
If the temperature of the surroundings decreases, is it endothermic or exothermic? endothermic
Surface area increases, what happens to rate of reaction? rate increases
Temperature is decreased, what happens to rate of reaction? Rate decreases
Hydrocarbon with only single bonds, name it. alkane
Hydrocarbon with at least one double bond, name it. alkene
Hydrocarbon with at least one triple bond, name it. alkyne
Created by: lb goodlock
 

 



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