EkybooachelbyL EkybooachelbyL

04-03-2017
Biology

contestada

The atomic mass of potassium is 39. if its atomic number is 19, how many neutron are there

Respuesta :

04-03-2017

19. The atomic number indicates how many neutrons there are, and the atomic mass tells us how many protons and neutrons are present within the nucleus of an atom.

Answer Link

Otras preguntas

process that breaks down glucose to create two molecules of pyruvic acid (pyruvate)

What is one way in which the University of Georgia is unique among American universities? It was the first university established in America It was the fir

If you are traveling at a speed of 50 miles per hour, how many feet per second is this?

Solve for x: 4x+24/3=12

Which is the site of the light-dependent reactions of photosynthesis?

the proof that lightning is a form of electricity came when

The Mercator map is historically one of the worlds most popular map projections. Describe this projection. Why was it created Nd what kinds of distortion can yo

simplify (8c^4w^2)^2 show work

A coat that usually cost $120.00 is marked 1/3 off. What is the sale price of the coat

what is 6.974 rounded to the nearest tenth