Answer:
Zero
Explanation:
FrBr is an ionic compound
.
Fr is in Group 1. Br is in Group 17.
The charges on the ions are +1 and -1, respectively.
The compound consists of Fr⁺Br⁻ ions.
However, there are equal numbers of + and - charges, so
The overall charge of the compound is zero.
They are the basic components of life or the basic building blocks of life
Answer:
B
the humidity is the % of water in the air and it is out of 100% of the air. so 10/100 is low
When atoms and molecules speed up or slow down, that is a physical change. When they change state from liquid to solid or from gas to liquid, that is a physical change. ... The ions or molecules can still come back together to form the original substance
Change the places of 'acts against the motion of an object' and 'causes an object to change speed or direction'