nessa142 nessa142

05-01-2017
Biology

contestada

what element has 2 energy levels and 1 valance electrons

Respuesta :

Apocrophon Apocrophon

05-01-2017

Lithium is the third element, has 1 valence electron, and the valence electron is in the 2nd energy level.

Answer Link

Otras preguntas

Use the distributive property to solve 4x(25+4)

Cassandra earns $40 per day in her first job and d dollars per day in her second job. Which expression represents the total amount Cassandra earns in 5 days?

Bacteria have a form of sexual reproduction called A. integration. B. conjugation. C. binary fission. D. transformation.

How do I figure this out?

I don’t understand step by step(:

I have been doing math all day, please help!

Select all that apply: Identify achievements of the Song Dynasty: 1- porcelain,2- weaponry,3- agriculture,4- roads,5- block printing

How do I order negative and positive and mixed numbers to smallest to largest

Could I get a sentence for dire. Dire means very serious, desperate and bad

simplify 4x^2y+12z^2+6x^2y-2z