Which of the following is correctly abbreviated SI unit describing the mass of an object?
A) kg
Answer:
B.
Explanation:
This is physical change as the popcorn has expanded in size.
Answer:
i believe it is lithium cause its is used for batteries and potassium is in like foods right? lmk if im wrong
and potassium helps to protect from radiation
Explanation:
False, carbon is an allotrope that can be in the forms of graphite, diamond etc
Answer:
Br
Explanation:
Bromine atoms tend to gain just one electron to get to a full octet, as Bromine is in Group VII.
