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Worked example: Identifying an element from its mass spectrum | AP Chemistry | Khan Academy

14,103 views

Khan Academy

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

94%
  • 3:08 / 3:20

Speech Rate:

  • 167 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

sometimes

/ˈsəmˌtīmz/

adverb

occasionally, rather than all of time.

mystery

/ˈmist(ə)rē/

noun

something difficult to understand or explain.

spectrum

/ˈspektrəm/

noun

The wavelengths of colors from red to violet.

isotopes

/ˈīsəˌtōp/

noun other

each of two or more forms of same element. Chemical element nearly identical, but with differing weights.

different

/ˈdif(ə)rənt/

adjective

not same as another or each other.

substance

/ˈsəbstəns/

noun

Particular type of material.

telling

/ˈteliNG/

adjective verb

Revealing; exposing the truth. To have a negative effect on someone.

technique

/tekˈnēk/

noun

Way of doing by using special knowledge or skill.

average

/ˈav(ə)rij/

adjective noun verb

Typical or normal; usual; ordinary. number expressing the central or typical value in a set of data. To add numbers then divide by the number of items.

universal

/ˌyo͞onəˈvərsəl/

adjective noun

Done or experienced by everyone. thing having universal effect or application.

scientists

/ˈsīəntəst/

noun other

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

various

/ˈverēəs/

adjective determiner pronoun

Several; consisting of different things or types. more than one. more than one.

element

/ˈeləmənt/

noun

Essential or particular part of something.

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