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Ionization energy: period trend | Atomic structure and properties | AP Chemistry | Khan Academy

82,290 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

98%
  • 9:55 / 10:03

Speech Rate:

  • 156 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

shielding

/SHēld/

verb

protect from danger, risk, or unpleasant experience.

lithium

/ˈliTHēəm/

noun

Soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals.

subtract

/səbˈtrakt/

other verb

To take away a value or amount from another. To take away a value or amount from another.

nuclear

/ˈn(y)o͞oklēər/

adjective

Concerning or involving the center of an atom.

effective
adjective

Working efficiently to produce a desired result.

increase
noun verb

rise in size, amount, or degree of something. To make or become larger in size or amount.

positive

/ˈpäzədiv/

adjective noun

Being sure about something; knowing the truth. positive quality.

energies

/ˈenərjē/

noun other

strength needed for activity. Physical or mental strengths.

ionization
noun

Condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge).

kilojoules
other

One thousand joules.

periodic

/ˌpirēˈädik/

adjective

appearing or occurring at intervals.

average

/ˈav(ə)rij/

adjective noun verb

Typical or normal; usual; ordinary. Total of numbers divided by the number of items. To add numbers then divide by the number of items.

formula

/ˈfôrmyələ/

noun

Plan, rule or method for doing or making something.

examine

/iɡˈzamən/

verb

To test your knowledge or ability.

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