Try It Out
Pg:145 of science text.
Name:Nabil siddiqui
Class:VII-M
From Bss Gulshan Middle Branch.
Answer-A:The element name is Sodium.
Answer-B:It's atomic number is "11".
Answer-C:The number of proton and electron is "11".
Answer-D:NO! I can't find the number of neutrons.
try it out pg 145
ReplyDeletename shaheer aali
class 7m
from bss gmbk
answer a the element is sodium
answer b the atomic no of sodium is 11
answer c the number of electrons and protons is 11
answer d no it is not mentioned in the periodic table