How many valence electrons does galiem have?
A. 3
B. 13
C. 31
D. 2​

Anybody wanna ? (picture included? )

We have a colorless transparent liquid. it looks like water. we seperated it into a solid and a liquid by evaporration and condention was this a chemichal or a physical seperation a. chemical seperation b. physical seperation

Which of the following are guidelines to follow for obtaining accurate observations