12 points and brainliest for whoever answers first!
word bank:
buffer, chemical bond, crystalline, polar molecule, radioactive

water is a(n) because its opposite ends have opposite electric charges

Water is a polar molecule. Hope I helped ^-^

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

the answer is admiramos

the rule for verbs is whoever you are referring to (in this case 'nosotros'), you need to change the ending of the word.

nosotros - amos

yo - o

tu - as

el, ella, usted - a

ellos, ellas, ustedes - an

(examples: nosotros bailamos (instead of bailar) or yo hablo (instead of habla)