来自MSN3 个月
118 Elements and Their Symbols and Atomic Numbers: Definition, Symbol with Atomic Number
There are 118 elements in the periodic table, each with a unique symbol and atomic number. Symbol: A one or two-letter abbreviation used to represent the element. Atomic number: The number of ...
Business Insider India4 个月
Q: Did you hear oxygen went on a date with potassium? A: It went OK.
Explanation: The atomic symbol for oxygen and potassium are "O" and "K," respectively. They get together they spell OK.