cheyennearviso cheyennearviso

02-03-2021
Chemistry

contestada

Whats the atomic number for protactinium-231

Respuesta :

aishaalme7 aishaalme7

02-03-2021

Answer:

91

Fact box

Group Actinides 1572°C, 2862°F, 1845 K

Block f 15.4

Atomic number 91 231.036

State at 20°C Solid 231Pa

Electron configuration [Rn] 5f26d17s2 7440-13-3

Explanation:

Answer Link

Otras preguntas

Which americans were not granted the freedoms and rights forth in the constitution and the bill of rights?

Dr. rowan attempts to help his patients uncover unconscious motives and conflicts. dr. rowan appears to reflect the _____ approach in psychology.

I need to know number 23, I wasn't in class for the day she taught us this!

Oceans, which are the largest carbon sinks on earth, absorb carbon in which form

When is a sample of matter considered a pure substance?

Marbury v. madison was the first of many important decisions made by what man during his thirty-five years as chief justice of the supreme court?

does John brown regret What he has done

I don't understand 11a or b. Please help.

What is 4x10 to the power of 2 in standard notation?

how did the united states change between 1776 and 1870?