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Practice Problem: Atomic Radii and Ionic Radii

35,909 views

Professor Dave Explains

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

87%
  • 6:30 / 7:27

Speech Rate:

  • 147 wpm - Conversational

Category:

  • Education

Tags :

Intro:

Video Vocabulary

smaller

/smôl/

adjective

of size that is less than normal or usual.

species

/ˈspēsēz/

noun other

group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. Subsections of a genus (of plants, animals).

nucleus

/ˈn(y)o͞oklēəs/

noun

central part of object or group.

attraction

/əˈtrakSH(ə)n/

noun

action or power of attracting.

periodic

/ˌpirēˈädik/

adjective

Happening regularly, but not frequently.

practice

/ˈpraktəs/

noun verb

Doing something many times to become better at it. To work as a doctor or lawyer.

between

/bəˈtwēn/

adverb preposition

in space separating things. at, into, or across space separating things.

germanium

/ˌjərˈmānēəm/

noun

Brittle grey crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite.

electrons

/əˈlekˌträn/

noun other

stable subatomic particle with charge of negative electricity. A negatively charged particle.

slightly

/ˈslītlē/

adverb

to small degree.

certainly

/ˈsərtnlē/

adverb

Sure; of course.

looking

/ˈlo͝okiNG/

adjective verb

having specified appearance. To appear to be when you look at them; seem.

because

/bēˈkəz/

conjunction

For a reason.

protons

/ˈprōˌtän/

noun other

stable subatomic particle occurring in all atomic nuclei, with positive electric charge equal in magnitude. Tiny part of atom with positive electrical charge.

understanding

/ˌəndərˈstandiNG/

adjective noun verb

sympathetically aware of other people's feelings. Knowledge about something or someone. To know the meaning of language, what someone says.

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