Question

help me please

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Answer 1

#15

What elements forms electron rich hydride?

• Electron rich hydride are formed only when the elements from group 15-17 combine together to form compounds...

#16

Formula of Calgon is

• $Na_6O_18P_6$

Answer 2

The elements which form electron-rich hydride are when the elements from groups 15-17 combine together to form compounds

The formula of Calgon is $Na6O18P6$

What is an Element?

This refers to the pure substance which contains atoms with the same number of protons in their shell.

Hence, we can note in order to form an electron-rich hydride, it is important to make use of elements from groups 15-17 so that they would combine and form compounds.

Read more about hydride here:
https://brainly.com/question/8376431