i have a crossword puzzle and its like super duper hard. Noone in our whole 11th grade class can fiqure it out. (we have around 200 kids)
its a crossword puzzle and this is the hints:
across:
6.the crystal framework for ionic compounds in the solid state<7 letters>
9.the delocalized electrons that hold metals together <3 letters>
10. the rule that atoms seek to have 4 pairs of electrons in their outer shells <5 letters>
12._____molecules have some degree (its rather ion or of idk? its a type-po) charge separation on them <5 letters>
15.a formula where sticks are used to represent covalent bonds <10 letters;4th to lst letter in "u">
16.an metal bonded to ananion of the group 7 family<6letters>
17.bonding that occurs between charged species<5letters>
18.a molecule with a permanent separation of charge<6letters>
19.a property of crystal lattices <7 letters; 3rd letter is"i">
20.shorthand for electronegativity difference <3 letters>