elainelytal9143 elainelytal9143

04-07-2017
Chemistry

contestada

Consider oxygen, which has an atomic number of 8 and an atomic mass of 16. how many valence electrons does it have?a. 2

Respuesta :

mathmate mathmate

09-07-2017

The maximum size of the inner shells are 2,8,18...
Valence electrons are found in the outermost shell of an atom (most of the time).
So the valence electrons of oxygen lies in the second shell, which has 8-2=6 valence electrons.

Answer Link

Otras preguntas

how was job specialization linked to the emergence of social classes?

What are Gastropods

which of the following is a monomial? c^2 c 6 c^2 − 16 −8c c^3 4c^2 − 12c 7

3)a beaker has a mass of 12g what is the mass of this beaker in decigrams

what is 81/45 in simplest form

what is the value of 54 – 4a^2 3b^3 when a = -2 and b = 4? 4. solve the equation for b:

(4.9 x 10-2) (9.80 x 102) =

in order to draw a conclusion, scientists must_______ data from an investigation

which of the following is a monomial? c^2 c 6 c^2 − 16 −8c c^3 4c^2 − 12c 7

muscles move bones by __________. relaxing against them pushing them pulling them stretching back and forth