CBr4 is a symmetric tetrahedral molecule so it will be non-polar.
Answer: c. elements in the same row of the periodic table
Explanation: It kind of represents a graph of the periodic table
It is called Mass.
Among the physical characteristics of a matter which includes Weight, Mass, Volume, and Density the only characteristic that does not change is the mass. The mass of an object never change from place to place. All the objects have a mass and that is why there is a weight but it changes depends on the gravity. Mass don't.
