Today’s chemistry lesson: Put R & Sr in a column on the right. These are the noble elements that don’t react. I like Fo & F in a column and W & Ew in another column; it shows that elements in the first column react negatively with elements in the third.
Today’s chemistry lesson: Put R & Sr in a column on the right. These are the noble elements that don’t react. I like Fo & F in a column and W & Ew in another column; it shows that elements in the first column react negatively with elements in the third.