Answer:
The metals in this group are lithium, sodium, potassium, rubidium, cesium, and francium. The gas hydrogen is also put in this group because it shares similar reactivity with the alkali metals.
I don't know if this is what you wanted or not sorry if it isn't
Answer:
Explanation:
‘it’s a chemical change because this may seem like a decomposition reaction because it seems like the nail is decomposing and falling apart.
Answer:
ridgid, fixed shape, and fixed volume
Explanation:
solid are all the thing listed as the answer because, you should know solids are not bendable. Therefore they must be very hard.
Answer is: sodium carbonate (Na₂CO₃).
<span>Sodium carbonate is better because carbonate anion with metal cations form more insoluble salts (according to table below, six insoluble salts - with magnesium, calcium, barium, silver, zinc and lead cations) and sulfate anion with metal cations form only two insoluble salts (barium sulfate and lead(II) sulfate).</span>