阿伏伽德罗常数

• 彳(step; action)RADICAL
• 十(ten; straight)ASSOCIATIVE
• 罒(eye; look straight)ASSOCIATIVE
• 心(heart; inner mind)ASSOCIATIVE

Virtue is when each step forward comes from an upright gaze and a pure heart.

• 罒(net; mesh (variant form))RADICAL
• 夕(evening; dusk)PHONETIC

Spreading a net at dusk to catch birds is the original meaning of the character.

• 尚(respect; also; still)PHONETIC
• 巾(cloth; fabric)RADICAL

A cloth scarf, always treasured and used daily, symbolizes something of constant value.

• 娄(many times; piled up)PHONO-SEMANTIC
• 攵(tap; hand motion)RADICAL

Counting numbers is using your hand to tap repeatedly many times in order to calculate.