How many gram-atoms are in 120-gram sample of calcium metal? How many atoms is this?

write the equation that matches the description one atom of zinc reacts with one atom of sulfur to yield one molecule of zinc sulfide

A negatively charged ion is called an anion. a. true b. false

How was the overall charge distributed in the plum pudding model?

How does lithium react with cold water?

What is the distinguishing characteristics of a saturated fatty acid?

What is the net amount of energy released when 1 mole of H2O is produced

Why is Sn (SO4) 2 named Tin (IV) Sulfate and not Tin (II) Sulfate?

An element x forms an iodide (xi3) and a chloride (xcl3). the iodide is quantitatively converted to the chloride when it is heated in a stream of chlorine: 2xi3+3cl2â2xcl3+3i2 if 0.5500 g of xi3 is treated, 0.2596 g of xcl3 is obtained.

When you kick a soccer ball across a field it will eventually come to a stop. Does this prove or disprove Newton's first law of motion? It disproves Newton's first law of motion because gravity is stronger than friction.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball