Guadalupe1714 Guadalupe1714

10-06-2017
Chemistry

contestada

if an element has the atomic number 20, what sub levels are present

Respuesta :

LeChatNoir LeChatNoir

10-06-2017

Atomic number = 20 -------> Ca (calcium)

Calcium has four shells (1, 2, 3, 4) and two sublevels ( s, p ).

1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

Answer Link

Otras preguntas

What is a dichotomous key is used for.

What is 8m-15=41 Help me please with my home work

In the early 1900s progressive era reformers sought to increase citizen participation in government by supporting the..

Why did many Chinese start the Boxer Rebellion?

Water-rich solutions carrying metallic salts fill cracks and form

when did the ocean become an important area of study?

54 is 90 percent of what number

Convert 130 meters per second into miles per hour. Show work

What are the natural boundaries of Mesopotamia

Six cakes cost $2.40 so how much do 10 cakes cost?