To get a 4 suggest a way to improve the accuracy or precision of the finding
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In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next