Electrotonic configuration of potassium 19K ion equal the Electrotonic configuration of 1) ⁸0

2) ¹¹Na

3) ¹⁸Ar

4) ¹⁷C1​

Why are pipes bursting in the in extremely cold weather?

If i add water to oil what will happen

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.