Drag and drop the terms in the correct columns : metals, metalloids, no metals - semimetal
- dull and brittle
- good conductor
- high luster
- left side of PT
- good insulator
- high density
- low melting point
- noble gas
- oxygen, nitrogen, neon
- right side of PT
- semiconductor
- silicon, germanium, arsenic
- sodium, magnesium, iron

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

Which of the following units is not an official si unit? mole liter kilogram ampere

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.