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

Why do we have to go to space to see all of the electromagnetic spectrum?(Why do we put telescopes in orbit?)

Which property of equity would you use to solve the equation x/5=13

If there are tickets sold to children for $5 and $12 to adults, and there are only 400 tickets sold for $3925 then how many children tickets were sold?

The Science Club went on a two-day field trip. The first day the members paid $30 for transportation plus $19 per ticket to the planetarium. The second day they

After the 9/11 attacks: A. people held off on business investment until it became clear that the attacks would not become regular occurrences. B. the economy'

Which percent is equivalent to ? 28% 35% 27%

Were the delegates successful in creating a balanced government

How do I find a perimeter

The CD Recyclery sells used CDs for $10 each and buys them for $6 each. Bob paid $20 when he bought and sold the same number of CDs. How many CDs did he buy?

fill in the blanks please