She will use the periodic table of elements to not only find out the chemical symbols of the elements written within the name, but also to check whether or not the elements are metals and or nonmetals, from this determine the ionic charges if needed for metals, and for metals that have more than one ionic charge, use a Roman numeral to represent the ionic charge that she would be using in writing the chemical formula of the compound.
The effects of sinkholes vary based on where and how they were formed.
When naturally formed on land, they will change the topography of the surroundings, cause nothing but minor issues, if any issue at all.
When formed on highly populated areas, though, they can cause a lot of damage to humans and properties in the region. Damage caused to the base of a building might be a very serious problem.
Toxic chemicals can also come up through sinkholes.
Answer:
Alkaline earth metals
Explanation:
Calcium (Ca) is a silvery-white soft metal that has the atomic number 20 in the periodic table. It is an Alkaline Earth Metal and is located in Group 2 of the periodic table. It has the symbol Ca.
Answer:
Ninguno estará en el agua después de 15 minutos.
Explanation:
Tomar 25 + 30 = 55 por minuto de agua que sale. Como ahora sabemos eso, tómese 55 minutos por 15 minutos. Debe obtener 825, por lo tanto, no quedará agua.
- Avíseme si esto es incorrecto o si desea una explicación más detallada. Espero que esto haya ayudado!
Answer:
For Example, When n-Hexane Is Passed Over Chromium Oxide (Cr2O3) Supported Over Alumina (Al2O3) at 600 degree Celsius, Benzene Is Produced