duhitsmadi9745 duhitsmadi9745

21-01-2024
Chemistry

contestada

Which description most accurately describes neptunium-239?
a) mass number=93, atomic number=239
b) mass number=93, number of neutrons=146
c) mass number=146, atomic number=93
d) number of protons=93, number of neutrons=146
e) number of protons=93, atomic number=239

Respuesta :

Otras preguntas

ayuda pls:)) Cuál es la filosofía que impero, para negociar el conflicto? ( estoy hablando de los acuerdos de paz en el salvador 1992)

Given: ΔTRS ≅ ΔRTW Prove: RSTW is a parallelogram.

Test the claim that the proportion of men who own cats is smaller than the proportion of women who own cats at the .05 significance level. The null and alternat

please help me out real quick! pls and thx

PLS FAST!! WILL GIVE BRAINLIEST!! 30 POINTS1!!When people are asked why they do not exercise, they often give one of the following answers: They do not like to

How to find out the least common denominator of 3/4 and 7/10

Find the slope of the points in the table below. x 2 4 6 8 y 4 8 12 16

Match the major Asian geographic feature in column 1 with its description in column 2. 1: Yangtze River l A: Located in China 2: Pacific Ocean l B: Flows throug

x × 20 = 80x = ?Help mee

What do chemists use to represent elements and compounds?