If you can a number of electrons in a atom you will get a ion of the element
A set that contain no element is called the EMPTY OR NULL SET and it is represented by { }. A set is defined as a well defined collection of objects. Elements of a set are those objects that belong to a set. So, an empty set do not have any object inside of it.
1. False, gas does not have a shape to it
2. It decreases
The answer is physical as they water does not change chemically and neither does the salt.
