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 .
The amount of space that a substance or object occupies, or that is enclosed within a container is known as volume.
If you took notes in class over the material you are being tested over, I would copy/review all my notes to understand more. but if you wrote notes, it helps a lot to rewrite them. or if you have a book explaining the tested material, I would take notes and proceed from there.
Explanation:
Arrange from ascending to descending order
7,23,26,27] ,28, [30,31,34,34
median is 28
