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Chapter 4: Q. 4.45 (page 120)

Electron can move to higher energy levels when they_____(emit/absorb) energy.

Short Answer

Expert verified

Electron move to higher energy levels by absorbing energy.

Step by step solution

01

Given information.

We have been given that,

Electron, energy levels

When electrons go to higher energy levels, we must declare whether they emit or absorb energy.

02

Simplify.

  • Electron with lower energy absorb specific amount of energy when they move to higher energy levels.
  • By Bohr's model, electrons tries to revolve around shells and each energy level has has specific amount of energy. Energy keeps increasing from lower shells to higher shells. The electrons in lower shells has low energy so, it must absorb energy energy to move into higher shell.
  • Electrons absorb energy and excite, moving from a lower to a higher energy level.

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Most popular questions from this chapter

The most abundant isotope of silver is 10747Ag. (4.4,4.5)

a. How many protons, neutrons, and electrons are in 10747Ag?

b. What is the atomic symbol of another isotope of silver with 62neutrons?

c. What is the atomic symbol and name of an atom with the same mass number as in part b and61neutrons.

Place the elements in each set in order of increasing ionization energy.
a. O, N, C
b. S, P, Cl
c. As, P, N
d. Al, Si, P

Argon has three naturally occurring isotopes, with mass numbers 36,38,and 40.

a. Write the atomic symbol for each of these atoms.

b. How are these isotopes alike?

c. How are they different?

d. Why is the atomic mass of argon listed on the periodic table, not a whole number?

e. Which isotope is the most abundant in a sample of argon?

Why is the ionization energy of CI lower than F, but higher than that of S?

Identify the type of subatomic particles described by each of the following:

a. atomic number

b. mass number

c. mass number -atomic number

d. mass number +atomic number
See all solutions

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