SEARCH
🇬🇧
MEM
O
RY
.COM
4.37.48
Guest
Log In
Â
Homepage
0
0
0
0
0
Create Course
Courses
Last Played
Dashboard
Notifications
Classrooms
Folders
Exams
Custom Exams
Help
Leaderboard
Shop
Awards
Forum
Friends
Subjects
Dark mode
User ID: 999999
Version: 4.37.48
www.memory.co.uk
You are in browse mode. You must login to use
MEM
O
RY
  Log in to start
Index
 »Â
Chemistry predicting products memorization
 »Â
Chapter 1
 »Â
Level 1
level: Level 1
Questions and Answers List
level questions: Level 1
Question
Answer
Carbonates ____CO3 --> When Heated, it decomposes into carbon dioxide, and an oxide
____CO3 --> CO2 + ___O
Chlorates _____ClO3 --> When Heated, decomposes into oxygen gas and a chloride
_____ClO3 --> O2 + ____Cl
Hydroxides ____OH --> When heated, decomposes into water and a metal oxide
___OH --> H2O + ___O
Acids H____ --> When heated, acids decompose into water and a non-metal oxide
H___ --> H2O + ___ O
Oxides ____O --> When heated, it decomposes into oxygen and another element
___O --> O2 + _____
Sulfates ___SO4 --> When heated, decompose into sulfur trioxide and oxide compounds
___SO4 --> SO3 + ___O
Elements An electric current will cause an ionic compound to break down into its elements Ex. MgCl2 --> Mg + Cl2
N/a
What are Diatomic Molecules?
Molecules that will always be found in pairs within nature:
Acronym to remember diatomic molecules:
H O F Br I N Cl
Metallic oxide and carbon dioxide ___O + CO2 --> Metallic oxide + carbon dioxide --> Carbonate
___O + CO2 --> ___CO3
Chloride Salt and oxygen ___Cl + O2 --> Chloride salt + oxygen --> Chlorate
___Cl + O2 --> ___ClO3
Metallic oxide and water ___O + H2O --> Metallic oxide + water --> base (ie hydroxide):
___O + H2O --> ___OH
Elements and oxygen ___ + O2 --> Element + oxygen --> oxide of that element
___ + O2 --> ___O
Sulfur trioxide and oxide SO3 + ___O --> Sulfur trioxide and oxide --> sulfate
SO3 + ___O --> ___SO4
Elements Direct union of two elements will produce a binary compound Ex. N2 + H2 --> 2NH3
N/A