O-LEVEL E-MATH PRESENTED BY GUO CHENGXI (01-02)

七岁郭承曦用英文开讲:初中数学E-MATH(01-10)

O-LEVEL E-MATH PRESENTED BY GUO CHENGXI

主讲： 郭承曦（7岁，育民小学一年级)

辅讲： 郭承光（10岁，育民小学四年级)

LECTURER:

Guo Chengxi ( 7years old, Primary 1 from YUMIN Primary School)

GUO CHENG GUANG (10 years old, Primary 4 from YUMIN Primary School)

内容：代数：展开式和因式分解

Algebra: Expansion and Factorization

Wechat: Go-Singapore

E-mail: talentguo001@gmail.com

ELEMENTAL CHEMISTRY PRESENTED BY GUO CHENG GUANG（aged 10)(001-01-01)(upd...

According to the 28/11/2016  updates of IUPAC: 

Elements 113, 115, 117, and 118 are formally named nihonium (Nh), moscovium (Mc), tennessine (Ts), and oganesson (Og)



Recite the Periodic Table of Chemical Elements in 5 ways:

First: in English Group by Group

Second: in English Period  by Period

Third:  in Chinese Group by Group

Fourth: in Chinese Period by Period

Fifth: Sing in English



十岁郭承光用英文开讲：大学化学----元素化学逐一精通（001-01-01）

主讲： 郭承光（10岁，育民小学四年级）

助讲： 郭承曦（7岁，育民小学一年级）

LECTURER:

GUO CHENG GUANG (10 years old, Primary 4 from YUMIN Primary School)

Guo Chengxi ( 7years old, Primary 1 from YUMIN Primary School)

Wechat: Go-Singapore