Chlorine has the electron configuration 1s22s22p63s23p5. how many valence electrons does it have?

This chart represents the melting point of several substance. what besy explains the high melting point of the salt?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

If i add water to oil what will happen