Which physical property is used to identify a mineral based on it's resistance to being scratched?

Do you think precipitation has a greater impact on the rate of chemical weathering or mechanical weathering?

Disintegration is the word geologists use forA. When a rock becomes moist. B. When rock is physically broken into smaller pieces. C. When rock is chemically broken into smaller pieces. D. When rock undergoes a rather large chemical change.

A possible problem with the roaches in the metabolic rate experiments was that they were stressed, and hyperventilating and exhaling more CO2 than they would when at rest. What would be the effect on RQ

Delta G = - nFE (How do you find n when different number of electrons) One reaction transfers 3e, and the other 2e, Would n be - 6?

What is the difference between Oxygen (O2) and Carbon Dioxide (CO2) ? Carbon Dioxide can exist at absolute zero and Oxygen cannot Oxygen is a compound and Carbon Dioxide is an element Oxygen is a gas in our atmosphere and Carbon Dioxide is not O

Why do covalent bonds not involve the transfer of electrons

Originally, the periodic table was arranged by increasing atomic radius increasing atomic mass increasing atomic number increasing number of electrons

How many moles are in 15.5-g SiO2

Is Oxygen - O2 a pure substance or a mixture?

What atom has 14 protons and 14 electrons