sesashleaveralisu sesashleaveralisu

25-01-2017
Chemistry

contestada

How many neutrons are in an atom with the atomic number of 15 and an atomic mass number of 34?
? 19
? 15
? 34

Respuesta :

yashddsy26 yashddsy26

25-01-2017

so neutrons = mass number - proton number

therefore , 34-15 = 19

so the answer is 19 !

Answer Link

Otras preguntas

e goes bowling. He has $25.00 to spend. • He spends $4.25 to rent shoes. He spends $2.50 for each game he bowls. Which inequality can Manny use to determine x,

Describe three ways that we can be like paul. use complete sentences.

SOHCAHTOA geometry Help quick please! How would i solve this?

rays of the sun hitting your face. is it potential energy kinetic energy or both

If a microscope was not parfocal, how would you expect your specimen to appear when you switch from the lowest power to medium power objective?.

I’m a freshman who doesn’t know about physics, help me out?

What is the form of mendelssohn’s overture to a midsummer night’s dream?.

A 100 Ohm, 200 Ohm, and 400 Ohm resistors are in parallel with each other. What is the equivalent resistance? Which resistor would draw the most current, and wh

In the passage above, what does the prefix "ab-" mean in the word "abnormally"? Group of answer choices not beyond former life

What is the chemical name for ca2 and clo3-