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

How is power distributed in a unitary government?

The bill of rights were ratified and added to the constitution in what year?

True or False: Making connections in research is an excellent way to illuminate the meaning of a subject. A: True B: False 2. You should look at sources that __

Which of the following points is a solution to the system of inequalities? 6x-2y < 10 6x + 3y > 15 (?,?)

O velocino de ouro Há muitos e muitos anos, viviam na Tessália um rei e uma rainha chamados Atamas e Nefele, que tinham dois filhos, um menino e uma menina. D

What did the cities in this competition have in common

How do you think a graph of the scientist’s data will differ from the graph representing the population growth in the game, if at all?

Which is the magnitude of the vector 13 m/s to the east

Which type of symmetry is displayed? A) glide-reflection B) reflection C) rotation D) translation

Can someone help me with the bottom one aka 7-62 please