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Chapter 4: Q. 4.46 (page 120)

Electron drop to lower energy levels when they____(emit/absorb) energy.

Short Answer

Expert verified

Electron drop to lower energy levels by emitting energy.

Step by step solution

01

Given information.

We have been given that,

Electron, energy levels from higher to lower.

We need to state whether electron emit or absorb energy when they drop to lower energy levels.

02

Simplify

Electron emit energy when they drop to lower energy levels.

Electron emit energy to lower its kinetic energy and gain stability. Electrons in higher energy levels don't stay for long ,they will eventually fall back to their original energy level (ground state) where they can remain stable.

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Most popular questions from this chapter

Place the elements in each set in order of decreasing atomic size.
a. Al, Si, Mg
b. Cl, I, Br
c. Sb, Sr, I
d. P, Si, Na

Write the electron arrangement for each of the following elements: (Example: sodium 2,8,1)

a. Carbon
b. Argon
c. Potassium
d. Silicon
e. Helium

f. Nitrogen

There are five naturally occurring isotopes of zinc:Z3064n,Z3066n,Z3067n,Z3068n, and Z3070n . None of these isotopes has the atomic mass of 65.41 listed for zinc on the periodic table.
Explain.

Which statements completed with a to e will be true and which will be false? An atom of Ccompared to an atom of Snhas a larger (greater)

a. Atomic size

b. Ionization energy

c. Number of protons

d. Metallic character

e. Number of valence electrons

Is each of the following statements true or false?

a. A proton is attracted to an electron.

b. A neutron has twice the mass of a proton.

c. Neutrons repel each other.

d. Electrons and neutrons have opposite charges.
See all solutions

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