3 years ago

An atom has +14 protons, 15 Neutrons, and -14 Electrons, what is the charge of its nucleus? ASAP!!

Chemistry

2 answers:

xeze [42]3 years ago

4 0

Answer:

the atom is neutral, the nucleus is positive

Explanation:

Vesnalui [34]3 years ago

4 0

I don’t know because I didn’t learn this yet

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An electron confined in a one-dimensional box is observed, at different times, to have energies of 12 eV, 27 eV, and 48 eV. What

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From the question we are told that:

1st Energy $E_1=12eV=4(3eV)$

2nd Energy $E_2=27eV=9(3eV)$

3rd Energy $E_3=48eV=16(3eV)$

Generally the equation for Energy E for electron in one dimensional box at ground state $E_0$ is mathematically given by

$E_0=\frac{h}{8ml^2}$

Therefore Length a is mathematically given as

$l=\sqrt{\frac{h^2}{8mE_0} }$

$l=\sqrt{\frac{(6.625*10^{-34})^2}{8(9.1*19^{-31}{(3eV(1.6*10^{-19}))}}$

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