Um átomo X em estado neutralizado tem 12 prótons e 14 nêutrons em seu núcleo. Responda: a) Quantos elétrons esse átomo tem?
b) Qual o seu Número atômico?
c) Qual o valor de sua massa atômica?
d) Por que este átomo se encontra em estado neutro?

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

i believe the answer is electric potential.

explanation:

it is b. absorbs thermal energy

conduct current i mean it makes sense