Recent content by Exk!amationmark

in the brackets are oxidation number 2Br(-1) ---> Br2 + 2e | x5 2Br(+5) + 10e ---> Br2 | x1 since only the oxidation number of Br change in the reaction 10[Br(-1)]- + 2[Br(+5)O3]- + 6[H]+ ---> 6Br(0)2 + 6H2O H+ only appear to equal the number of hydrogen atom...

the thing is, i have a friend who got involved in many misunderstandings in her life earlier it 's like this: a girl sitting next to her don't like on of her friend and often talk bad things about her friend. she then tell her friend to avoid seeing that girl. however, for some reasons, those...