VaultDweller VaultDweller

02-02-2016
Biology

contestada

Oxygen has an atomic number of 8. The n = 1 energy level has two electrons, and the n = 2 energy level has six electrons. Oxygen's valence is _____.

Respuesta :

04-02-2016

For elements that are not transition metals, the number of valence electrons they have is equal to the number in the ones place of their period number. Oxygen is in Period 16, so it has 6 valence electrons.

Answer Link

Otras preguntas

What is 8/16 in simplest form

How do you simplify 3/9

Miguel's teacher asks him to color 4/8 of his grid. He must use 3 colors; red, blue, green. There must be more green sections than red sections. How can Mig

A father is four times as old as his daughter. In 18 years he will be two times as old as she. How old is the daughter now?

Why is external criticism so important when it comes to analyzing data?

what do biomes have in common?

when minerals in rocks combine with__________in the air chemical weathering takes place. FILL IN THE BLANK!!!!!!!

What is the percent increase from 25 to 95

How did children address their parents in colonial times?

Some medications slow a person's nervous system. These drugs are often labeled "may cause drowsiness". Explain why a person needs to know about this side effec