1. which of the following molecules , a mole of it contains higher number of moles of the atoms A. S8 B. C10H8 C. Al2(SO4)3 D. Na3PO4
2. 0.236G of metal x reacts with oxygen forming 0.436g of the compound X2O3 what is the gram atomic mass of x ?
A.58.5G B.45.6G C. 25.5G D.28.32G
give reason for
1 .why does the number of atoms in 32 g of oxygen not equal the number of atoms in 32 g of Sulphur ?
2.why does one liter of o2 gas contain the same number of molecules as 1 liter of cl2 gas ?
thank u

it's c. elements are placed in rows based on how may valencies electrons have.

d) a person who learns about the world by observing it.

explanation:

scientist are people who discover why and how things are done and made in the world.

the population of unionid mussels in the hudson river decreased after zebra mussels were introduced. zebra mussels, a nonnative species, competed with the unionid mussels for food. the zebra mussels were able to outcompete the unionid mussels, allowing the zebra mussel population to increase dramatically over six years. the unionid mussel population decreased due to a lack of food.

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