hhamilton738 hhamilton738
  • 12-01-2018
  • Chemistry
contestada

What element has an atomic number of 20 and two valence electrons in its valence shell?

Respuesta :

jessicavaldez523
jessicavaldez523 jessicavaldez523
  • 19-01-2018
calcium is the element
Answer Link

Otras preguntas

2) If -5 +4x = 6x, then 4x = ? A) 5/2 B)-10 C)-5/2 D)-20
Which diagram most effectively shows how a voter influences policy? ОА. A voter serves on a jury. He decides he has an opinion about the death penalty in his st
Segment length geometry honors
What percentage of all businesses are partnerships
Question 1 (5 points) Saved What happened in the election of 1796? Question 1 options: George Washington appointed Adams as his successor. Jefferson was electe
What industry did not suffer doing the great depression?
How many tribes inhabited North America before the Europeans explored the New World?
Find the area of the shape. Either enter an exact answer in terms of or use 3.14 for and enter your answer as a decimal. units?
There are 4 boys in a class of 13 students. (a) What is the ratio of girls to boys? (b) What is the ratio of girls to all students in the class? 8 X 5 ?
How does the human population affect the environment