cheyennearviso cheyennearviso
  • 02-03-2021
  • Chemistry
contestada

Whats the atomic number for protactinium-231

Respuesta :

aishaalme7
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

Select the blue highlighted correct text in the passage. Which word from the passage meaning different has the most positive connotation
What is (7x − 9) + (3x + 14)?
A rectangle has a width of 54 cm and a perimeter of 222 cm. What is the rectangles length?
In the Webster-Hayne debates, Senator Robert Hayne defended ___ and supported ___. A.) The theory of nullification, states' rights B.) manifest destiny, federa
Why did King James I choose America's east coast for colonization?
Round 3504 to 3 significant figures
According to paragraph 1 what was Mao’s impact on China?
What is the length of AB?
5a) Mr. Birkway reads the class' summer journals aloud, changing the names around so as not to reveal anyone's true identity. Which journal entry alarms Mr. Bir
A school is painting its logo in the shape of a triangle in the middle of its sports field. The school wants the height of the triangle to be 8 feet. The area o