Miamigirl Miamigirl
  • 01-02-2015
  • Chemistry
contestada

write the symbols for the following isotopes: Its atoms contain 50 electrons and 70 neutrons

Respuesta :

baseballbeast baseballbeast
  • 01-02-2015
Since this element has 50 electrons you know that it has 50 protons. The number of proton= the atomic number. Atomic number 50 is tin. The atomic symbol for tin is Sn and the weight is 120. So this is the tin 120 isotope
Answer Link

Otras preguntas

A somatic cell of the common octopus (Octopus vulgaris) has 56 chromosomes. What number of chromosomes will an octopus gamete contain? A. 14 B. 28 C. 56 D. 112
Declarative command interrogative or exclamatory?He has ten fingers and ten toes.
When rolling a number cube 50 times, how many times would you expect it to land on five?
A chunk of paraffin (wax) has a mass of 50.4 grams and a volume of 57.9 cm3. What is the density of paraffin?
0.4 greater or less than 0.036
what integer does the square root of 18 lie between
write the name given to a large area of sea or ocean that is partially enclosed and is larger than a bay
what is 18 24ths as a fraction when simplifying to its lowest terms?
Is 2 thousandths + 4 hundredths is greater or less than 0.127
Square root 2 is between 1.4 and 1.5