Two hour
h is just a variable like x, y, or z.
H Hydrogen O Oxygen 2 the number two
H -in the table of elements- stands for Helium.
H is the symbol for hydrogen. The first of the elements.
To type "h squared," you can use the superscript feature in word processors like Microsoft Word or Google Docs. In these programs, highlight the "2" and select the superscript option (often found in the formatting toolbar). Alternatively, you can type "h^2" to represent "h squared" in plain text, where the caret (^) indicates that the number is an exponent.
The answer depends on what h is supposed to represent.
The answer depends on what H is supposed to represent.
H+, OH- , H3O+ (considered same as H+)
K can be a variable, it is commonly a variable in the quadratic equation y=a(x-h)2+k K is the y-intercept.
OH- and H+
It represents the heat involved in a reaction.
It is a subscript representing atoms in a molecule. In this example Hydrogen is diatomic, which means it naturally forms in pairs. So it is 2 atoms of hydrogen.