Answer:
1.Reactive
2.Halogens
3.Nonmetals
Explanation:
(WRITTEN IN SENTENCE)
The noble gases are the least reactive of any elements on the periodic table. The halogens form acidic compounds with hydrogen. The halogens are the most reactive among all the non-metals .
D it cannot contain a physical booklet
Based on the above, The system of equations are x + y=557, The total pages in shorter book is 245 and the total pages in longer book is 312.
<h3>What is writing?</h3>
Writing is known to be a Language writing system that act as a tool for human communication.
Note that it is one where a person uses in the depiction of a language via a system of physically written or digitally depicted symbols.
Learn more about writing from
brainly.com/question/15904634
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