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

in the Roman Republic, a very complex civilization developed. Rome’s social structure was strict. Patricians were perched at the top of the social structure and
Which expressions are solutions to the equation 3/4x=15? Select all that apply. a. 15/3 b. 15/4 c. 4/3 x 15 d. 3/4 x 15 e. 15 ÷ 3/4
What does the word yield mean in the following sentence? The crown end should yield slightly under pressure. a. to give way under physical force c. to change co
solve the system of linear equations by substitution. x+4y=18 y=-x+9
Can anyone help me with these? I’m sick and they’re due tonight no exceptions
According to the Constitution, what is the source of the government's authority?
Would you rather have more TIME or more MONEY? Why?
what does fewer than mean
3.44 is what percent of 8.6?
the declaration of independence reflects john locke’s idea of? A: commercial development B: federalist governance C: military independence D: consent of the