Project 1: A Map of the Heavens
Can anyone help please

Which metal exist in liquid state and can be cut with knife ?

Which characteristics can be used to differentiate star systems? check all that apply.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.