naayyaa naayyaa

19-12-2018
English

contestada

what do the columns on a periodic table of elements represent

Respuesta :

katebird katebird

19-12-2018

Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons.

Answer Link

Otras preguntas

An aquarium holds 11.54 cubic feet of water, and is 2.7 feet long and 1.8 feet wide. What is it's depth? Round your answer to the nearest whole number.

Earth has a mass of 5.97 x 1024kg, and a mean radius of 6.38 x 10m. What would be the orbitasatellite in orbit 1.44 x 108 m above Earth?a. v, = 630m/s,c. v, - 1

An unknown radioactive element decays into non-radioactive substances. In 180 days the radioactivity of a sample decreases by 73 percent.(a) What is the half-li

What is contained in the nucleus of all atoms

The graph of the function f(x)=3/x+5

Some transcription signals are located thousands of base pairs upstream of the gene they regulate. How does the distant signal initiate transcription? (2 points

determine standard from of the equation for the circle with center (h,k)=(-1/50,1/3),r=1/2

help asap please guys

Consider the dot plot which shows the distribution of data collected on the number of pets at home. Which statement BEST describes the center of the data collec

To address problems caused by the dissolution of the Soviet Union, some Eastern European nations _____. Choose all that apply. 1.privatized industry 2.increase