Question

answer the following photo​

Answer 1

29. 3 the number of proton in atom of phosphorus is 15

4. the number of electron in an atom of phosphorus is 15

5. the number of neutron in an atom of phosphorus is 16

30 (b). homogeneous means the mixture where the particle are completely dissloved is called homogeneous mixture

heterogeneous means the mixture where the particle are not completely dissloved is called heterogeneous mixture