7 Give the systematic names of the com- pounds represented by the structural for-
mulas:
CH2 - Br2
CH3 - CH2 - CH - CH2 - CH3;
1
C2H5
CH3 – CHBr - CH2 - CH3 ; CH3 – CHCI – CH3

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

Can someone me with 3 and 4 plz. this is for masteries test.