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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

chemical element of atomic number 3.

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

relating to nucleus of atom.

effective
adjective

Working efficiently to produce a desired result.

increase
noun verb

Fact of increasing; amount something grows by. become or make greater in size or degree.

positive

/ˈpäzədiv/

adjective noun

Showing that a chemical is present in a test. 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

Happening regularly, but not frequently.

average

/ˈav(ə)rij/

adjective noun verb

constituting result found by dividing total amount. number expressing the central or typical value in a set of data. amount to or achieve as average rate or amount over period of time.

formula

/ˈfôrmyələ/

noun

mathematical relationship in symbols.

examine

/iɡˈzamən/

verb

(Medical) to test to find out what is wrong.

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