Chemistry, 30.07.2019 17:00 aj2869

Correct scientific term for the breakdown of rock by temperature changes or acids

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Answer from: Aprilbtrippin2004

Hey there!

LEVELING FORCES

WEATHERING AND EROSION ARE BOTH KNOWN AS LEVELING FORCES - WHICH MEANS THEY WEAR DOWN AND REMOVE ROCKS THAT ARE EXPOSED ON EARTH'S SURFACE.

WEATHERING IS THE BREAKUP OF ROCKS AT EARTH'S SURFACE DUE TO EXPOSURE TO THE ATMOSPHERE.

In particular, the two substances that do the most damage to rocks are:

OxygenWater

The presence of just water and oxygen in the atmosphere is enough to break down all rocks given enough time.

EROSION IS THE REMOVAL AND TRANSPORTATION OF WEATHERED ROCK BY NATURAL AGENTS SUCH AS:

WEATHERING

There are many different processes that cause weathering, but all of them can be broken up into two main types:

Mechanical WeatheringChemical Weathering

MECHANICAL WEATHERING

MECHANICAL WEATHERING (AKA PHYSICAL WEATHERING) OCCURS WHEN A ROCK BREAKS APART INTO SMALLER PIECES.

THIS IS A PHYSICAL CHANGE ONLY - THE PIECES ARE EXACTLY THE SAME AS THE WHOLE, JUST SMALLER

Hopes this helps u :D

Answer from: Quest

assuming that your periodic table has eighteen columns, you should highlight the four elements in the third column from the left of the table.

explanation

neutral atoms of elements after calcium contain d electrons. the energy of d orbitals of a particular main shell lies between the energy of the s and p orbitals of the next main shell. for example, electrons in the $3d$ have energy higher than those in the $4 s$ orbital while lower than those of the $4 p$ orbital.

by the aufbau principle, electrons fill orbitals one at a time, starting from those of the lowest energy. the $4s$ orbital is therefore filled right after $3p$ orbitals and before $3 d$ orbitals.

potassium has electron configuration $[\text{ar}] 4 s^{1}$ and calcium $[\text{ar}] 4 s^{2}$ . the s orbital of a main shell holds a maximum of two electrons. the next element would thus have the electron configuration $[\text{ar}] 4 s^{2} \; 3d^{1}$ and satisfy the requirements.

a neutral atom of the element contains three electrons on top of the most recent noble gas element. it should thus be placed in the third column of the periodic table. both scandium and yttrium would satisfy the conditions. an aufbau diagram indicates that the 4f orbital is filled before the 5d. however, it appears that exceptions exists for both lanthanum and actinium. neutral atoms of the two d-block elements also demonstrate the $ns^{2} \; (n-1) p^{1}$ and should be highlighted as well.

Answer from: Quest

500bc indiais the answer.

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Correct scientific term for the breakdown of rock by temperature changes or acids...