Magnesium is an alkaline earth metal with an atomic number of 12. it’s in the third row in the periodic table. which expression shows one way to find the number of valence electrons in one atom of magnesium? a. 12x3 b. 12/3 c. (12-8)-2 d. (12-2)+8 or e. (12+2)-8

The answer is A.

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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