Choose the best: Electronic configurations — task. Science State Board, Class 9.

PDF chapter test TRY NOW

Select the correct answers:

1. A rule stating that atoms prefer full valence shells of eight electrons.

Electron rule
Valence rule
Octet rule
Atomic rule

2. What charge will an atom have if it gains one electron?

\(+2\)
\(-1\)
\(+1\)
\(-2\)

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content