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shusha [124]
2 years ago
14

What happens when wind sweeps up sand and throws it against a big rock?

Chemistry
1 answer:
RideAnS [48]2 years ago
4 0
In deserts, wind often causes weathering by blowing sand and other material against cliffs and large rocks. This wears them down and creates more bits of sand and dust. Over time, the rock is scraped and polished away. ... When a gust of wind blows, it picks up sand and other bits of material.
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As you move across the period on the periodic table what pattern can be described about the electron configurations?
xeze [42]

Answer:

Elements in the same period have same number of electronic shell and electron is increased by one in every coming element with in same electronic shell.

Explanation:

Consider the second period of periodic table. This period consist of eight elements lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon.

Electronic configuration of lithium:

Li₃ = [He] 2s¹

Electronic configuration of beryllium:

Be₄ = [He] 2s²

Electronic configuration of boron:

B₅ = [He] 2s² 2p¹

Electronic configuration of carbon:

C₆ = [He] 2s² 2p²

Electronic configuration of nitrogen:

N₇ = [He] 2s² 2p³

Electronic configuration of oxygen:

O₈ = [He] 2s² 2p⁴

Electronic configuration of fluorine:

F₉ = [He] 2s² 2p⁵

Electronic configuration of neon:

Ne₁₀ = [He] 2s² 2p⁶

All these elements present in same period having same electronic shell and number of electron increased by 1.

4 0
3 years ago
how much hydrogen will be released during the interaction of potassium weighing 8 grams with hydrochloric acid
krek1111 [17]

Answer:

With an understanding of the ideal gas laws, it is now possible to apply these principles to chemical stoichiometry problems. For example, zinc metal and hydrochloric acid (hydrogen chloride dissolved in water) react to form zinc (II) chloride and hydrogen gas according to the equation shown below:

2 HCl (aq) + Zn (s) → ZnCl2 (aq) + H2 (g)

Explanation:

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4 0
2 years ago
Balance the following equation. __AI+ __CuO __AI203+ _Cu
Nesterboy [21]
2 Al+ 3 CuO-> 1 Al2O3+ 3Cu
7 0
2 years ago
What is the relationship between temperature and kinetic energy?
ad-work [718]

Answer:

substance is related to the average kinetic energy of the particles of that substance

Explanation:

4 0
2 years ago
Read 2 more answers
A pure compound is composed of?<br><br>pls Answer this directly<br>​
brilliants [131]
A pure chemical compound is a chemical substance that is composed of a particular set of molecules or ions that are chemically bonded.
7 0
2 years ago
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