Register
Which element has 2 valence electrons and is in period 4? A. Sodium B. Carbon C. Beryllium D. Calcium
15.7k views
4 votes
Which element has 2 valence electrons and is in period 4?

A. Sodium B. Carbon C. Beryllium D. Calcium

User Yehyatt
by
4.6k points

1 Answer

0 votes
The correct answer is calcium. We know this because if we look at the periodic table calcium is the only option in period 4.
User Rocknrollnerd
by
5.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.4m answers

Other Questions

How many pounds in a 3.00 l bottle of drinking water?
Write the parts of the electromagnetic spectrum in order from lowest frequency to highest frequency
Chlorine (Cl) forms a salt when it is combined with a metal. This element belongs in _____. group 18 group 17 period 18 period 17
Which of the following apply to the property of hardness. Select all that apply. -Hardness is determined through a complicated process that requires expensive instruments. -Hardness is a physical property.
As the vibration of molecules increases, the _____ of the substance increases. temperature internal energy kinetic energy all of the above
Link Copied!