Minus Sign
A negative number can refer to any number with a - symbol before it, for example, -3, or -7.5, or -9.9993. A negative integer can only refer to a whole number, such as -3, or -8, or -12.
It is a dash (-) before the absolute value of the integer.
Before a symbol. Not sure about a formula.
just have the fraction be negative(do this by putting the negative symbol on the denominator, numerator or before the fraction).
Iodide is iodine with a negative charge, and is thus written as I-.
An example with a zinc isotope: 81Zn (mass number as superscript before the chemical symbol)
The same as in many programming languages and other places where formulae are used. The negative sign can basically do one of the following: As a unary symbol (i.e., before a number), convert a positive to a negative, or a negative to a positive. For example, if "x" is positive, "-x" is negative, and vice versa. As a binary symbol (i.e., between two numbers), it means subtraction.
It is a dash (-) before the absolute value of the integer.
if no number is written following a chemical symbol in a chemical formula, it is understood the number of atoms of that element is one
The symbol used before a number to make it a label is a hash sign (#).
Yes.
It is for the indication of its atomic mass usually it is written at the superscript of its symbol Po as 84Po209