What can elements be identified by?

Answer 1

Using the index of the array, individual element can be identified.

For example,

int a[]={1,2,3,4,5};

If you want 3rd element, do like this:

int third_element=a[2]; //third_element=3

Answer 2

Elements can be distingushed apart by the amount of sub-atomic particles in one atom of that element. Every element has a differemt amount of electrons, so you can count the amount of electrons to identify an element. You can also look at the amount of protons and neutrons in an atom. Every element has a different amount of these, too.

Answer 3

Elements can be identified by their atomic number, which is the number of protons in the nucleus of an atom. Each element has a unique atomic number. Additionally, elements can also be identified by their chemical properties and characteristic physical properties.

Answer 4

The individual elements are usually identified by the distinctive characteristics. They can be identified by touch and by sight.

Answer 5

As of Spring, 2011, there are 112 identified elements on the Periodic Table.