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Voltage and Current

Q1:

An element is a substance that is:

A varied throughout the entire piece

B used only in electronics

C electrically charged

D found only in its pure form

ANS:D - found only in its pure form

Element-> A basic substance that can't be simplified (hydrogen, oxygen, gold, etc).

Atom-> The smallest amount of element.

Molecule-> Two or more atoms that are chemically joined together (H2, O2, H2O, etc).

Compound-> A molecule that contains more than one element (H2O, C6H16O6, etc).



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