Electron Configurations of Ions Explained

What is the main topic discussed in the video?

• Electron configuration of neutral atoms

• Electron configuration of ions

• Properties of noble gases

• Chemical bonding

How many electrons does a neutral fluorine atom have?

• 10

• 7

• 8

• 9

What is the electron configuration of a neutral fluorine atom?

• 1s2 2s2 2p3

• 1s2 2s2 2p6

• 1s2 2s2 2p5

• 1s2 2s2 2p4

How many electrons are in the 2p subshell of a neutral fluorine atom?

• 3

• 4

• 5

• 6

What is the charge of a fluoride ion?

• Neutral

• Double positive

• Positive

• Negative

What is the electron configuration of a fluoride ion?

• 1s2 2s2 2p4

• 1s2 2s2 2p6

• 1s2 2s2 2p5

• 1s2 2s2 2p3

Which noble gas has the same electron configuration as a fluoride ion?

• Krypton

• Xenon

• Argon

• Neon

What is the noble gas configuration for a neutral calcium atom?

• [Ar] 4s2

• [Xe] 6s2

• [Ne] 3s2

• [Kr] 5s2

How many electrons does a neutral calcium atom have in its 4s subshell?

• 1

• 4

• 2

• 3

What is the electron configuration of a calcium ion with a +2 charge?

• [Ar]

• [Xe]

• [Ne] 3s2

• [Kr]