Examlex
If two linear regression models have the same number of explanatory variables, a model with an R2 value of 0.45 is a better prediction model than a model with an R2 value of 0.65.
Negative Charge
An electrical charge that results from an excess of electrons, giving the particle or object a net negative electric charge.
Electrons
Negatively charged subatomic particles that orbit an atom's nucleus, playing a key role in chemical reactions and electricity.
Covalent
Covalent refers to a type of chemical bond where atoms share pairs of electrons to achieve a full outer shell and stability.
Ionic
Refers to the chemical bond formed between atoms when electrons are transferred from one atom to another, resulting in positively and negatively charged ions.
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