What would be the best tool to measure the amount of matter in an object? balance graduated cylinder spectroscope scale

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

Which metal exist in liquid state and can be cut with knife ?

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous