Rows and Columns

Last updated over 3 years ago
5 questions
2

Name the element in the 5th energy level and 4th group.

2

Which element is in the 11th group and 4th row?

2

Name the element in the 7th period and 2nd column

2

Name the element in the 2nd group and 4th period.

2

Which element is in the 16th family and 5th energy level?