sammy42
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

What is the sum of 2/10 and 20/100
What were the results of the Compromise of 1877?
What is 0.0314 written in scientific notation?
y 17. Write a real-world problem that can be represented by the expression 10.
50 BIG POINTS! Help me on math please!  @ Apologiabiology, @ Bookishfairy73
The tiny holes in the cell walls of plants that allow for the passing of materials are called the _____. middle lamella plasmodesmata stomata stroma
Put answer in coordinate form: 2x - 3y = 12 and x + 3y = 6
Nongovernmental organizations are __________. a. unregulated pirate groups that operate off the Somali coast b. nonprofit agencies that aid human interests an
In the poem what do the phrases "wasted limbs rugged stones hungry wolves and burning sun signify
When does technology become assistive technology? a. When it does something quicker than normal b. When it corrects a mistake c. When someone with a disability