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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

Give the symbol of the element that has the

a. largest atomic size in Group 1A1

b. largest atomic size in Period4

c. highest ionization energy in Group 2A2

d. lowest ionization energy in Group 7A17

e. least metallic character in Group4A14.

Select the element in each pair with the higher ionization energy.
a. O or Ne
b. K or Br
c. Ca or Ba
d. Ne or N

Indicate if each of the following statements is true or false: (4.3)

a. The neutron is electrically neutral.

b. Most of the mass of an atom is due to the protons and neutrons.

c. The charge of an electron is equal, but opposite, to the charge of a neutron.

d. The proton and the electron have about the same mass.

e. The mass number is the number of protons.

Complete the following table for the three naturally occurring isotopes of silicon, the major component in computer chips: 4.4,4.5

For each representation of a nucleus through, write the atomic symbol and identify which are isotopes. 4.4,4.5
See all solutions

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