The physicals properties of a substance can be used to identify the substance, select all that apply.
at any given location, the physical properties of a substance do not change
when the substances are chemically reacted the physical properties remain the same
each substance has a unique set of physical properties
no two substances have any of the same properties

The following statements apply:

1. At any given location, the physical properties of a substance do not change.

2. Each substance has a unique set of physical properties.

Each substance usually has some characteristics that are peculiar to it and these characteristics can be used to identify them and separate them from other materials. Change of location does not affect the properties of substances, thus, the properties of oxygen that is found in America is the same as the one that is found in Nigeria.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a