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The reactivity of an alkali metal depends on the metal's ability to
electrons.

The step-down transformer gives a current of 10a at 24v if the primary voltage is 240v calculate the 1_primary current 2_the power input 3_the power output

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2