By Levels

Library

EXP: 08888
HITS: {{lyricTraining.hits}}888
STREAKS: {{lyricTraining.streaks}}888
TIME: {{lyricTraining.timeout / 1000}}88
{{word.word}}

{{cue.translated_text}}

{{lyricTraining.hint}}

x{{playblackSpeed.toFixed(2)}}

Loading ..

Not Found

{{annotation.word}} ({{annotation.pos_simplify}})

/{{annotation.phonetic}}/

{{annotation.translation}}

{{annotation.name}}

{{annotation.sub_type}}

{{annotation.definition}}
Back

Games & Quizzes

Training Mode - Typing
Fill the gaps to the Lyric - Best method
Training Mode - Picking
Pick the correct word to fill in the gap
{{game.name}}
{{game.description}} Requires {{game.required_annotions}} vocabulary annotations

Congratulations! You gained {{totalPoint}} XP

You may need to watch a part of the video to unlock quizzes

Don't forget to Sign In to save your points

Repeat Skip ({{game.question_index}}/{{game.questions.length}})
{{part}}
Repeat Skip ({{game.question_index + 1}}/{{game.questions.length}})
{{choice.text}}
{{choice.text}}

Make correct pairs from two columns

{{lyricTraining.finished && lyricTraining.timed_out ? 'Timed Out' : 'Challenge Accomplished'}}

PERFECT HITS {{lyricTraining.stats.PERFECT_HITS}} +{{lyricTraining.stats.PERFECT_HITS * 20}}
HITS {{lyricTraining.stats.HITS}} +{{lyricTraining.stats.HITS * 10}}
LONGEST STREAK {{lyricTraining.stats.LONGEST_STREAKS}} +{{lyricTraining.stats.LONGEST_STREAKS * 10}}
REMAINING TIME {{lyricTraining.timeout / 1000}}s +{{lyricTraining.timeout / 1000}}
TOTAL +{{lyricTraining.exp}}
{{word.word}} - {{dictionary.definition[0].phonetic || ("/" + dictionary.phonetics +"/")}} - {{word.translation}}

We couldn't find definitions for the word you were looking for.
Or maybe the current language is not supported

{{simpleDefinition.pos}}

{{simpleDefinition.def}}

{{word.word}}

Sentences & parts of speech:

  • {{tag.normal}} {{tag.pos_name}}

  • {{c.startTime | duration}}


    {{c.translated_text}}

All {{pos.pos_simplify}}
{{a.word || a.name}}
/{{a.phonetic}}/
{{a.type || a.sub_type}}
{{a.translation}} 		{{a.definition}}

Astatine - Periodic Table of Videos

354,447 views

Periodic Videos

Video Language:

  • English

Caption Language:

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

Accent:

  • English

Speech Time:

98%
  • 6:47 / 6:52

Speech Rate:

  • 124 wpm - Conversational

Category:

  • Science & Technology

Tags :

Intro:

Video Vocabulary

fluorine

/ˈflo͝orēn/

noun

Nonmetallic univalent element belonging to the halogens; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite.

emissions

/əˈmiSH(ə)n/

noun other

production and discharge of something. A substance (e.g. gas) released into the air.

chlorine

/ˈklôrēn/

noun

Greenish-yellow gas with a strong smell.

recently

/ˈrēs(ə)ntlē/

adverb

at recent time.

appeared

/əˈpir/

verb

become visible or noticeable.

element

/ˈeləmənt/

noun

essential or characteristic part.

experiments
noun other verb

scientific procedure. Tests performed to assess new ideas or theories. To create and perform tests to research something.

polonium

/pəˈlōnēəm/

noun

Radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor.

astatine

/ˈastəˌtēn/

noun other

chemical element of atomic number 85, radioactive member of halogen group. A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.

discovered

/dəˈskəvər/

verb

To find something new that was not known before.

searches

/sərCH/

noun other verb

act of searching for person or thing. Actions to find answers to a problem. To look for an answer or explanation to a problem.

because

/bēˈkəz/

conjunction

for reason that.

between

/bəˈtwēn/

adverb preposition

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

century

/ˈsen(t)SH(ə)rē/

noun

period of 100 years.

halogens

/ˈhaləjən/

noun other

any of elements fluorine, chlorine, bromine, iodine, and astatine. Any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions.

Q
W
E
R
T
Y
U
I
O
P
A
S
D
F
G
H
J
K
L
Z
X
C
V
B
N
M