Jazminfun70
Jazminfun70 Jazminfun70
  • 13-12-2018
  • Chemistry
contestada

Quick question.
In which group of the periodic table do you find halogens?
A.2A
B.8A
C.1A
D.7A

Respuesta :

tallinn tallinn
  • 23-12-2018

Solution:- Halogens are fluorine, chlorine, bromine, iodine and Astatine(F, Cl, Br, I and At) and these are present in the 7A group of the periodic table. In modern periodic table this group is written as 17th group. This group elements have 7 valence electrons and so they are in group 7A.

So, the right choice is D. 7A.

Answer Link

Otras preguntas

What power sources were used in thefacories during the industrialization?
A train travels 80 miles per hour. If its speed remains the same, how far will the train have gone in 90 minutes?
Find the volume of a rectangular prism if the length is 5 cm, the width is 10 cm, and the height is 7 cm.
Which one of the following types of exercise involves a mix of aerobic exercise, bodyweight exercises, and Olympic weightlifting? A kettle bell training B elit
which of the following was a territorial gain made by the united states as a result of the spanish anerican war A. Hawaii B. New Mexico C. Puerto Rico D. Alas
why cant animals grow back parts of their body
1 2 and 3 answers please
What is six hundred ten thousand in scientific notation
Please help!!!!!  need this ASAP!!!
fill in the missing number to name a fraction equivalent to 8/3