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

Please help it’s for Alex

Facts about Isreal and its history.

Colony started by Puritan separatists in 1620. The land grant had been for land located in Virginia, but they landed much farther north in what is now Massachus

While Washington was president, the political parties that formed in the United States were the______ Party, led by Hamilton and the______ Party, led by Jeffers

Can someone help me with this???

In which quadrant is [ 3, - 4/5]

Jane is not married and has no children she is 35 and owns here own home under which status is she most likely to file

You have studied the executive branch of government and the wide range of power, as well as the various roles of the head of that branch, the president. Conside

Which of the following energy sources causes air pollution

Francine ran 3 1/2 laps around the circular track in the school gym. The track has a diameter of 1/2 miles. About how far does Francine run?