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

__________ determines how hard it would be to stop an object in motion. Question options: A. Centripetal force B. Momentum C. Motion D. Aerodynamics

Evaluate the determinant for the following matrix: A. –42 B. –36 C. 12 D. 10

Which term describes a deficiency of spermatozoa in the semen?

Which of the following statements comparing debit cards to credit cards is TRUE?

A barrel contained 60 gallons of water. Water leaked out of the barrel at a rate of 5 gallons every 3 days. At this rate, how many days did it take for all 60

What is the composition of 'Clean dry air' - Idk what subject its just science

the aspire test helps to measure ____ and career readiness. a. highschoolb. SATc. PSATd. college

Where is glycogen stored? gallbladder pancreas stomach liver

In which country would one most likely view the sport shown in the photo above (sumo wrestling) ? A. India B. Thailand C. Japan D. China

PLS HELP AT LEAST HELP ME UNDERSTAND THE CONCEPT