2. What determines the charge of an ion?

The number of protons and electrons

Explanation:

It is charged because the number of electrons do not equal the number of protons in the atom or molecule

answer

procedural programming, object-oriented programming

explanation

procedural programming is a type of computer programming language that specifies a series of well structured steps and procedures   within its development period of time. it contains a systematic order of statements, functions and commands to complete a computational task or program. it is centered on creating procedures. while object oriented programming is a programming language that is centered on creating objects rather that actions and data rather than logic.. it has four principles which are inheritance, polymorphism, abstraction and encapsulation

+15-35=-20

going in opposite directions