个人资料图片
English
  • 全部
  • 搜索
  • 图片
  • 视频
    • 短视频
  • 地图
  • 资讯
  • 更多
    • 购物
    • 航班
    • 旅游
  • 笔记本
报告不当内容
请选择下列任一选项。
  • 时长
    全部短(小于 5 分钟)中(5-20 分钟)长(大于 20 分钟)
  • 日期
    全部过去 24 小时过去一周过去一个月去年
  • 清晰度
    全部低于 360p360p 或更高480p 或更高720p 或更高1080p 或更高
  • 源
    全部
    Dailymotion
    Vimeo
    Metacafe
    Hulu
    VEVO
    Myspace
    MTV
    CBS
    Fox
    CNN
    MSN
  • 价格
    全部免费付费
  • 清除筛选条件
  • 安全搜索:
  • 中等
    严格中等(默认)关闭
筛选器
🧪 9th Grade Chemistry | Lesson 15 | Periodic Properties-2 | Ionization Energy | Electronegativity...
39:10
YouTubeCelal Hoca ile Kimya
🧪 9th Grade Chemistry | Lesson 15 | Periodic Properties-2 | Ionization Energy | Electronegativity...
📢 Maarif Atölyesi – 2026 Maarif Modeli Dersleri Maarif Atölyesi olarak amacımız; ezbere dayalı değil, mantığa dayalı bir öğrenme anlayışı sunmak. 🎯 Bu ortak çalışmada her branşın en güçlü hocalarıyla birlikte, 2026 Maarif Modeli’ne uygun güncel ve anlaşılır dersler hazırladık. Her ders, sadece okul ...
已浏览 2762 次1 周前
短视频
First to Fusion™ | Course 02 | Gamma Ray Bursts (GRB's)
7:34
已浏览 131 次
First to Fusion™ | Course 02 | Gamma Ray Bursts (GRB's)
Quantum Kinetics Corporatio
Unit-3| Modern Pharmaceutical Analytical Techniques M Pharm Important Questions। Mass Spectroscopy|
53:37
已浏览 509 次
Unit-3| Modern Pharmaceutical Analytical Techniques M Pharm
Pharmacy wala
Ionization Energy Explained
Ionization Energy, Electron Affinity, Atomic Radius, Ionic Radii, Electronegativity, Metal Character
1:10:27
Ionization Energy, Electron Affinity, Atomic Radius, Ionic Radii, Electronegativity, Metal Character
YouTubeThe Organic Chemistry Tutor
已浏览 85万 次2016年10月7日
Ionization Energy | Periodic Trends
10:59
Ionization Energy | Periodic Trends
YouTubeNajam Academy
已浏览 38.3万 次2021年2月15日
Ionization Energy - Basic Introduction
32:48
Ionization Energy - Basic Introduction
YouTubeThe Organic Chemistry Tutor
已浏览 72.1万 次2017年9月27日
热门视频
Atomic Structure: Bohr Model & Quantum Numbers Class 11th | NEET UG 2026 Chemistry by Hemant Sir
3:02:06
Atomic Structure: Bohr Model & Quantum Numbers Class 11th | NEET UG 2026 Chemistry by Hemant Sir
YouTubeVidya NEET Adda247
已浏览 2353 次2 天之前
Classification of Elements and Periodicity in Properties || Short explanation ||Concept motion
8:48
Classification of Elements and Periodicity in Properties || Short explanation ||Concept motion
YouTubeConceptMotion
23 小时之前
Group 13 Ionization Enthalpy: Down-the-Group Rule Fails! W-Trick | NEET 2026 | Hemant Sir
2:14
Group 13 Ionization Enthalpy: Down-the-Group Rule Fails! W-Trick | NEET 2026 | Hemant Sir
YouTubeNEET Adda247
5 天之前
Ionization Energy Trends
p-Block in One Shot: All Concepts & PYQs Covered | JEE Main & Advanced | Safar JEE 2026
p-Block in One Shot: All Concepts & PYQs Covered | JEE Main & Advanced | Safar JEE 2026
YouTubePW Vidyapeeth
1 周前
Unit-4| Modern Pharmaceutical Analytical Techniques M Pharm Important Questions| Chromatography| 1st
31:45
Unit-4| Modern Pharmaceutical Analytical Techniques M Pharm Important Questions| Chromatography| 1st
YouTubePharmacy wala
已浏览 152 次5 天之前
UP LT Grade Chemistry Classes 2025 | Organic Chemistry / Prriodic Table | LT Grade/GIC Lecturer
1:44:37
UP LT Grade Chemistry Classes 2025 | Organic Chemistry / Prriodic Table | LT Grade/GIC Lecturer
YouTubeTeaching by Rojgar with Ankit
已浏览 1231 次1 周前
Atomic Structure: Bohr Model & Quantum Numbers Class 11th | NEET UG 2026 Chemistry by Hemant Sir
3:02:06
Atomic Structure: Bohr Model & Quantum Numbers Class 11th | N…
已浏览 2353 次2 天之前
YouTubeVidya NEET Adda247
Classification of Elements and Periodicity in Properties || Short explanation ||Concept motion
8:48
Classification of Elements and Periodicity in Properties || Short e…
23 小时之前
YouTubeConceptMotion
Group 13 Ionization Enthalpy: Down-the-Group Rule Fails! W-Trick | NEET 2026 | Hemant Sir
2:14
Group 13 Ionization Enthalpy: Down-the-Group Rule Fails! W-Trick | NE…
5 天之前
YouTubeNEET Adda247
First to Fusion™ | Course 02 | Gamma Ray Bursts (GRB's)
7:34
First to Fusion™ | Course 02 | Gamma Ray Bursts (GRB's)
已浏览 131 次2 周前
YouTubeQuantum Kinetics Corporation
Unit-3| Modern Pharmaceutical Analytical Techniques M Pharm Important Questions। Mass Spectroscopy|
53:37
Unit-3| Modern Pharmaceutical Analytical Techniques M Pharm I…
已浏览 509 次1 周前
YouTubePharmacy wala
p-Block in One Shot: All Concepts & PYQs Covered | JEE Main & Advanced | Safar JEE 2026
p-Block in One Shot: All Concepts & PYQs Covered | JEE Main & Adva…
1 周前
YouTubePW Vidyapeeth
Unit-4| Modern Pharmaceutical Analytical Techniques M Pharm Important Questions| Chromatography| 1st
31:45
Unit-4| Modern Pharmaceutical Analytical Techniques M Pharm I…
已浏览 152 次5 天之前
YouTubePharmacy wala
1:44:37
UP LT Grade Chemistry Classes 2025 | Organic Chemistry / Prriodi…
已浏览 1231 次1 周前
YouTubeTeaching by Rojgar with Ankit
7:26
3I/ATLAS Arrival: What To Expect on December 19th (It Turned BLUE)
6 天之前
YouTubeMoonshot Tech
观看更多视频
静态缩略图占位符
更多类似内容
反馈
  • 隐私
  • 条款