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

The one-to-one functions g and h are defines as follows. g={(-7,-9),(-2,8),(2,-7),(3,2)} h(x)=3x-10 Find the following. g^-1 (2)=_____ h^-1 (x)= ______ (h•h^-1)

In an A-frame house, the two congruent sides each form a 76° angle with the ground. What is the angle formed at the peak by the two sides?

If you wanted the item that cost the most at the top of the table, you would sort in descending order. true false

the vertical sequence of the layers of soil is called a soil what

Write an expression with parenthesis to represent the quantity: 170 divided by the sum of 25 and 9

In florida if you have a learners permit you may only drive at what time during the first three months

If your clothing catches fire, you should. a. stop, drop, and roll. b. run outside. c. stay low and run to escape flames.

the quotient of a number and 35 is 100

54 decreased by twice a number

During the first four days after conception, the zygote undergoes rapid cell divisions and becomes multicellular. What is this cell division called?