The answer is B the flow of electrons through a substance
What do the bubbles indicate? <span>chemical reaction with HCl, release of H2(g)
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Where the substances are located in relation to one another on the periodic table and the activity series? <span>A is above B on the periodic table but B is above A in the activity series.
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The name of the family the substances could be in ? <span>alkaline earth, alkali metals. Either group 1 or group 2.
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<span>What substance will have a larger atomic radius? B</span>
What substance will have a larger ionization energy? A
Answer: 2. I see two colours in the test tube, white and grey at the bottom.