Physical Science 4.3 & Electron Configuration Gizmo Review

Multiple Choice

According to Bohr's model of the atom , which of the following can happen when an atom gains energy?

• an atom returns to its ground state

• a neutron can be changed into a proton

• a proton can move to a higher energy level

• an electron can move to a higher energy level

Multiple Choice

Hw does the modern atomic theory describe the location of electrons in an atom?

• electrons move randomly in space around the nucleus

• electrons can be decribed as a cloud based on probable locations

• electrons orbit the nuceus in the amse way that planets orbit the sun

• electrons move in a spiral pattern if increasing distance from the nucleus

Multiple Choice

What is meant when an atom is said to be in its ground state?

• There is no net charge on the atom

• the nuber of protons equals the number of neutrons

• the atom's electrons all have the lowest possible energies

• it is the isotope with the least number of neutrons

Multiple Choice

Which of the following correctly shows the electron configuration of Sulfur, with atomic number 16?

• A

• B

• C

• D

Multiple Choice

What is the maximum number of electrons that can occupy the 3rd electron shell?

• 2

• 6

• 10

• 18

Multiple Choice

Which element in row 6 of the periodic table has the largest radius?

• Cs

• Os

• Hg

• Rn

Multiple Choice

Which eleent in the 8th column of the periodic table has the largest radius?

• He

• Ar

• Xe

• Rn

Multiple Choice

Which sublevel is filled after the 5s sublevel?

• 4p

• 4d

• 5p

• 5d