NKS Atoms
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Which statement describes an atomic nucleus?
An atomic nucleus is negatively charged.
An atomic nucleus has no electrical charge.
An atomic nucleus consists of mostly empty space
An atomic nucleus contains most of the atom's mass.

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.

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.