50 compounds in chemistry
1 answer:
Answer:
Explanation:
Chemical compounds are substances that contain two or more elements that are chemically bonded together.
Here are 50 chemical compounds:
- Hydrogen peroxide
- Fructose
- Sulfur hexafluoride
- Glucose
- Sulfuric acid
- Calcium nitrate
- Nitrous oxide
- Calcium sulfate
- Ammonia
- Hydrochloric acid
- Potassium nitrate
- Potassium nitrite
- Sucrose
- Methane
- Carbon dioxide
- Dihydrogen oxide
- Putrescine
- Chloroform
- Ethene
- Hydrazine
- Sodium bicarbonate
- Sodium chloride
- Acetate
- Magnesium sulfate
- Urethane
- Butyne
- Nicotine
- Maltose
- Propene
- Tartaric acid
- Nitrogen dioxide
- Butane
- Butene
- Propane
- Pentane
- Hexane
- Benzene
- Isobutane
- Ovalene
- Coronene
- Pyrene
- Chrysene
- Napthalene
- Acetic acid
- Barium iodide
- Aluminium oxide
- Aluminium fluoride
- Styrene
- Toluene
- Vinyl chloride
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Answer:
Manganese: Mn
Explanation:
The elestron configuration would show this is 25 electrons
Atomic number : 25
this electron configuration ends in
half of the d subshell which is 10
Answer:-
Water is highly ordered. In water each oxygen atom is connected to others around it through hydrogen bonding via bridging hydrogen atoms. When a salt like NaCl is dissolved, some of these Hydrogen bonds break.
When a salt like NaCl dissolves in water, the NaCl breaks in to ions Na+ and Cl-.
The water molecules now surround these ions.
The slightly negative oxygen end of water molecule gets near the Na+, while the slightly positive Hydrogen of water molecule gets near the Cl-.
So before salt sample dissolve, the water molecules were highly ordered due to hydrogen bonding. Now after salt dissolve there is a decrease in order and thus an increase in disorder of the water molecules.
Due to increase in disorder, entropy which is a measure of disorder increases. Since entropy increases, delta S for the process is positive.
