Each column is also called a group. The elements in each group have the same number of electrons in the outer orbital. As you keep counting the columns, you'll know how many electrons are in the outer shell.
Answer:
oTNT
Explanation:
Another name for the explosive dynamite is TNT, Trinitrotoluene.
Dynamite is an explosive that finds a wide range of application in many mining processes.
- It was created by one of the Nobel brothers in the late 19th century.
- The explosive is made up of explosive sticks with a wick and blasting cap.
- They cause very strong explosion when detonated.
<span>136.14 g/mol </span><span><span>Calcium sulfate, Molar mass</span></span>
Answer:
0.412 moles
Explanation:
No of moles =given mass /molar mass
30.56/74=0.412 moles
Note these are the number of moles of
Ca(OH)2 not Ca(OH)