Chemistry crossword or something

Minimum energy to be lost or gained (4)
Term for any isotope (3)
Mass of one mole (3)
Positive ion (5)
Negative ion (5)
Elements between 90 and 103 (5)
Elements between 58 and 71 (5)
Any process that makes an ion (5)
Same element but different mass (3)
6.022 x 10^23 (couldn't do the thingy for the 23) (3)
Similar to a beauty mark (3)
3D region around nucleus (4)
Rule that's close to Attila the HUN's name (4)
Group 18 elements (4)
Particle of electromagnetic radiation (4)
Testable guess you've made (2)
Broad idea to explain many things (2)
Amount (2)
The thing that makes everybody scared to look at a scale (2)
Amount of water a bottle can hold (2)
Measure of matter (1)
Result of chemical change (1)
Substances that react (1)
Homogeneous mixture (1)
Blend of 2+ types of matter (1)
Uneven charge distribution in a bond (6)
Distance between two bonded atoms (6)
Needed to break a chemical bond (6)
Rule for 8 electrons in highest level (6)
Pair of electrons belonging to 1 atom (6)
Naming system (7)
Like the word oxymoron but with anion (7)
CN-1 (7)
OH-1 (7)
Mass of all atoms in a formula (7)