britneybt70 britneybt70

13-01-2018
Chemistry

contestada

Ow many valence electrons do atoms in group 1, group 2, group 15, group 16, group 17 have?

Respuesta :

Joe4511 Joe4511

13-01-2018

Group 1 ( alkalis metals) - 1 valence electron

Group 2 ( alkaline earth metals) - 2 valence electrons

Group 15 ( pnictogens or nitrogen group)
- 5 valence electrons

Group 16 ( chalcogens or oxygen group) - 6 valence electrons

Group 17 ( halogens ) - 7 valence electrons

Answer Link

Otras preguntas

which is a top barrier to a physical activity? A) fear of injury B) lack of support C) lack of confidence D) all of the above

Which function has an inverse that is a function? b(x) = x2 + 3 d(x) = –9 m(x) = –7x p(x) = |x|

Which of the following is a true statement about skew lines?

A circular, rotating serving tray has 8 different desserts placed around its circumference. How many different ways can all of the desserts be arranged on the

Which is the best example of a primary source document useful in the study of history

Mark works at a popular electronics retail store. He earns a fixed income of $18 an hour and a 5% commission on the sales he makes. Let's say, y = earnings

Andy's two nephews want to travel to Philadelphia with him to see a show. Andy has two free plane tickets and three tickets to the show which of the following b

The three conditions that encourage the presence of marine life in the ocean are proximity to land, water depth and Question 11 options: exposure to sunligh

How can farming affect the ecosystem? Please by fast and by sure to know the answer... Thanks?

One method for studying opportunity cost is to think in terms of