Calculate the radius of first orbit of he+.

Asked by admin @ 24/08/2021 in Chemistry viewed by 291 People

Calculate the radius of first orbit of h e Plus

Answered by admin @ 24/08/2021

We know
rn= {(0.529 A°) ×n^2}/Z
in first orbit of he+
n=1
so,
r= {0.529A° ×1^2}/2
= 0.2645A°
or r = 26.45 pm

If the radius of first bohr orbit is x

Asked by admin @ 11/08/2021 in Chemistry viewed by 293 persons

if the radius of first bohr orbit of hydrogen atom is X then the radius of second bohr orbit of lithium to positive Ion will be

How to calculate half life of a first order reaction

Asked by admin @ 07/11/2021 in Chemistry viewed by 318 persons

What is the half-life of a first-order reaction if it takes 4.4 x 102 seconds for the concentration to decrease from 0.50 M to 0.20 M? 2.5 x 102 s …

Why did pascal invent the first calculator in 1645

Asked by admin @ 23/08/2021 in Science viewed by 283 persons

QUESTIONS YOUR1. Who was the first to use anabacus?2. Why did Pascal invent the firstcalculator in 1645?3. What does the "SteppedReckoner” do that Pascal's …

Velocity of the electron in the first bohr orbit

Asked by admin @ 20/08/2021 in Chemistry viewed by 319 persons

Q7) Calculate the velocity of electron in the first Bohr orbit of hydrogen atom. [Given:- Bohr radius = 0.529 Å, h = 6.626×10-34 Js, mass of the electron = 9.1×10-31 …

Name the scholar who first calculated the value of pi

Asked by admin @ 03/08/2021 in World Languages viewed by 290 persons

Name the scholar who first calculated the value of pi _______

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Asked by maham237 @ 29/04/2021 in History viewed by 345 persons

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Asked by maham237 @ 20/02/2021 in Business viewed by 357 persons

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Asked by admin @ 29/10/2021 in Mathematics viewed by 320 persons

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Velocity of electron in first orbit of hydrogen atom

Asked by admin @ 20/08/2021 in Chemistry viewed by 324 persons

Q7) Calculate the velocity of electron in the first Bohr orbit of hydrogen atom. [Given:- Bohr radius = 0.529 Å, h = 6.626×10-34 Js, mass of the electron = 9.1×10-31 …

Which of the following is the first calculating device

Asked by admin @ 11/08/2021 in Computer Science viewed by 279 persons

Which of the following is the first calculating device? A. AbacusB. CalculatorC. Turing MachineD. Pascaline

When filling degenerate orbitals, electrons fill them singly first, with parallel spins is known as

Asked by maham237 @ 18/12/2020 in Chemistry viewed by 311 persons

When filling degenerate orbitals, electrons fill them singly first, with parallel spins is known as: A. Hund's rule B. Heisenberg uncertainty principle C. Aufbau principle D. Pauli exclusion principle