Count the number of atoms in CaSO4: 1 Ca, 1 S, and 4 O's. So the total number of Atoms is 6. Hope this helps. If think this is how you determine the answer. If I am wron â¦ g, please correct.   Count the number of atoms in CaSO4: 1 Ca, 1 S, and 4 O's. So the total number of Atoms is 6. Hope this helps. I think this is how you determine the answer.
SiteMap | About. How to C# Dictionary A Dictionary class is a data structure that represents a collection of keys and values pair of data. The key is identical in a key-value pair and it can have at most one value in the dictionary, but a value can be associated with many different keys.
Difference between Hashtable and Dictionary in c#. Category: C# Tags: C# 2.0, C# 3.0, C# 4.0, C# 5.0, C# 6.0 1 Comment. Hashtable and Dictionary both are collection of Data Structure to hold data as key and value pair but Hashtable and Dictionary both are difference in terms of use and structure. In this article we will see Difference between Hashtable and Dictionary with example and when we have to use Hashtable and Dictionary in c#.