danielthetough danielthetough

03-05-2017
Chemistry

contestada

if an unknown element has a mass number of 14 and 7 neutrons how many protons are there

Respuesta :

JavierCollante JavierCollante

03-05-2017

there are 7 protons. The mass number is the addition of all protons and neutrons in a given element. To find the protons, simply subtract the mass number by the neutrons. 14-7 neutrons= 7 protons

Answer Link

Otras preguntas

When an artist is making pottery by hand throwing, the first step when he or she forms the clay on a potter's wheel is to ______?

If there are 33 students in a classroom and the ratio from boys to girls is 3:8 how may boys are in the classroom?

The perimeter of a rectangle is 900 yards. What are the dimensions of the rectangle if the length is 70 yards more than the width?

Both petroleum and coal are made up of complex carbon-based molecules, and both originated with living creatures of some kind. Both are vital sources of energy

An industrial chemist is studying the rate of the haber synthesis: n2 + 3h2 → 2nh3. starting with a closed reactor containing 1.35 mol/l of n2 and 0.35 mol/l of

Why does curley attack lennie what is lennie's reaction ch 3-4?

If research reveals that a company has a large number of unresolved complaints and a poor business rating, which external source did you most likely use during

two moms share 3 sandwiches equally. Write how much each mom gets

write and equation for line A and line B

In the united states congress about 50 percent of the offices are held by women. a. True b. False