tanisha37 tanisha37

30-11-2019
Chemistry

contestada

Name the element which lies in group IA and 3rd period. What is the valency of it and why?

Respuesta :

SvetkaChem SvetkaChem

30-11-2019

Answer:

Na, valency 1.

Explanation:

Na -sodium.

This element is in the 1A group, so it has 1 electron on the last (valent) level.

So, only 1 electron can participate in forming chemical bond, and therefore the valency of Na is 1.

Answer Link

Otras preguntas

4. Hay acuerdo general de que el evangelio de Marcos fue escrito para los lectores: a. Gentiles b. Judíos c. Samaritanos d. Egipcios ?

An oceanographer is traveling from the west toward the east on the atlantic ocean. she collects rock samples from the seafloor every 5 kilometers. the oceanogra

Explain the role that exercise plays in maintaining healthy blood sugar levels. 2. describe what happened to the model cell that was submerged in a low glucose

: in 1894, the first dietary recommendations in the us were published by the _____. the purpose of these recommendations was to _____.

Shela plays golf for three hours a day. She has played a total of eighteen hours. How many days has Shela played golf? Show your work.

How do energy and matter flow through the food web?

Which of the following is a true statement? A. Only autobiographies cover the important events in the subject’s life. B. Both biographies and autobiographies

In the "Universal Declaration of Human Rights," what is most important for the full realization of the pledge made in the Declaration of Human Rights? a. equali

Under the articles, who is responsible for collecting taxes in the US? The Continental Congress The common treasury The individual state legislatures

What is the probability of tossing one coin for two 'tails' in a row?