Front

What element's electron configuration ends in 1s²?

Back

He

Front

What element's electron configuration ends in 2p¹?

Back

B

Front

What element's electron configuration ends in 3d⁶?

Back

Fe

Front

What element's electron configuration ends in 4p⁶?

Back

Kr

Front

What element's electron configuration ends in 4d¹?

Back

Y

Front

What element's electron configuration ends in 4f²?

Back

Ce

Front

What element's electron configuration ends in 7s²?

Back

Ra

Front

What element's electron configuration ends in 5f¹¹?

Back

Es

Front

Which electron cloud is first in an electron configuration? Options: 1s, 3p, 4f, 6d

Back

1s

Front

Which of the following electron clouds does not exist? 6s, 4d, 3f, 5p

Back

3f