Register
Which one of the following has the ground state electron configuration [ar]3d104s1?
143k views
1 vote
Which one of the following has the ground state electron configuration [ar]3d104s1?

User Vinil Prabhu
by
3.5k points

1 Answer

5 votes

Answer:

Cu

Step-by-step explanation:

Ar's atomic number is 18 so it has 18 electrons

therefore 18 + (10 + 1) = 29

At ground state, electrons = protons.

Element with atomic number of 29 is Cu

User CaBieberach
by
3.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.3m questions

4.2m answers

Other Questions

What is the variable for this number 22.4L?
Which of the following aqueous solutions are good buffer systems? . 0.29 M perchloric acid + 0.15 M potassium perchlorate 0.16 M potassium acetate + 0.26 M acetic acid 0.18 M hydrofluoric acid + 0.12 M
1. If temperature is increased, the number of collisions per second do what
A helium balloon containing 0.100 mol of gas occupies a volume of 2.4 L at 25 C and 1.0 atm. how many moles have we added if we inflate it to 5.6 L?
TRUE or FALSE: Volcanoes help warm the planet by releasing CO2 (carbon dioxide)
Link Copied!