sammy42 sammy42

12-11-2015
Chemistry

contestada

why do the properties of elements change in a regular way across a period

Respuesta :

Аноним Аноним

12-11-2015

Because as we go across the periods, groups are increasing. And in each group their are different valence electrons. The valence electrons determine the elements properties.

Answer Link

Otras preguntas

help please Provide one reason that you picked your number five to be the worst at limiting government I chose Rights of the minority why is it the worst at lim

Please help I don't understand: 3h = 15

If a neutral material like fur is rubbed on another neutral object like a rubber ball what is the resulting charges of the objects? A) The balloon becomes negat

Charmaine is a 15-year-old Grade 9 student. During lunch, Charmaine is looking through her social media account for the latest fashion trends. All the women in

What is the equation of the line that is perpendicular to a line with a slope of 2 and intersects that line at (4,2)?

Paying rent is a , while buying a new video game is a. If you buy a new video game, you cannot pay your cell phone bill. This is an example of.

After World War II, which of the following changes occurred in Germany? ООО Germany became two separate countries. Germany became four separate countries. Germa

can anyone help , Plz!! it's math!

A teacher brings 3 gallons of juice on a field trip. There are 36 students on the trip. a. How many fluid ounces of juice does the teacher bring

Sam created an inequality to show the ways he could spend his money on start-up costs for a concession stand. He plans to sell shaved ice cones, x, and cinnamon