1-Quando alguém faz uma ideia pouco verdadeira sobre nós, acreditamos que não fomos reconhecidos honestamente, não é mesmo? O mesmo acontece quando fazemos uma ideia vaga do outro: ele também quer um segundo olhar. Você
concorda com essa frase?​

Because a model would make the investigation easier to understand

the catch is that the top numbers are atomic masses the bottom numbers are the numbers of protons and electrons in an uncharged atom. they are the number of that atoms as you would find them on the periodic table. further, the numbers on the left are used to determine the missing numbers on the right

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

If you open the bottle of perfume then nothing but the smell will come out of it and yes it is a type of gas smell because it’s say it in english so i can understand better and you

Ions gain or lose electrons