1. CHEM CHANGE
2. PHYS CHANGE
3. CHEM CHANGE
4. CHEM CHANGE
5. PHYS CHANGE
The halogens are Group 7. Group 7 consists of Flourine, Chlorine, Bromine, Iodine and Astatine.
Element Mass
Flourine 18.99
Chlorine. 35.5
Bromine. 79.9
Iodine. 126.9
Astatine 210
The answer is Flourine because it has a mass of less than 19 :) Hope this helps.
Answer: I am confident the answer is B
Explanation:
forgive me if im wrong
Answer:
<h2>It'll float</h2><h2>Less than 1g/cm3 it'll float in water </h2>