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Crossword clues

Solve these clues to fill the grid.

A negatively charged electrode that is the source of electrons entering an electrical device
1 Across
An elementary particle with negative charge (plural)
4 Across
A chemical decomposition reaction produced by passing an ___ current through a solution
6 Across
A piece of photographic film showing an image with light and shade or colors reversed
7 Across
Hopeful and optimistic; the opposite of negative
9 Across
A solution that conducts ___
2 Down
A conductor used to make ___ contact with some part of a circuit
3 Down
Energy made available by the flow of ___ charge through a conductor
4 Down
A positively charged electrode by which electrons leave an electrical device
5 Down
A particle that is electrically charged (plural)
8 Down

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