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Practice Problems: Net Charge, Mass Number, Atomic Number

245,980 views

Tyler DeWitt

Video Language:

  • English

Caption Language:

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

Accent:

  • English (US)

Speech Time:

99%
  • 4:55 / 4:57

Speech Rate:

  • 163 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

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.

representing

/ˌreprəˈzent/

verb

To depict art objects, figures, scenes; to portray.

outside
adjective adverb noun preposition

situated on or near outside. Beyond the limits or edges of some place, thing. external side or surface. Beyond the limits or edges of some place, thing.

definitely

/ˈdef(ə)nətlē/

adverb

Without question; beyond doubt.

balance

/ˈbaləns/

noun verb

Being stable; having equal weight on both sides. To make two or more things equal.

circles

/ˈsərk(ə)l/

noun other verb

shape. Groups of people who share a common interest. move round.

neutrons

/ˈn(y)o͞oträn/

noun other

subatomic particle of about same mass as proton but without electric charge. Charge and mass about equal to a proton; enters into the structure of the atomic nucleus.

because

/bēˈkəz/

conjunction

for reason that.

represented

/ˌreprəˈzent/

verb

To depict art objects, figures, scenes; to portray.

abbreviate

/əˈbrēvēˌāt/

verb

To shorten a word or phrase by leaving out letters.

electrons

/əˈlekˌträn/

noun other

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

something

/ˈsəmˌTHiNG/

adverb pronoun

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

positive

/ˈpäzədiv/

adjective noun

Showing that a chemical is present in a test. positive quality.

nucleus

/ˈn(y)o͞oklēəs/

noun

Control center of a cell.

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