Answer:
There are 80 protons and 80 electrons in Hg+ (Mercury)
Explanation:
Name Mercury
Symbol Hg
Atomic Number 80
Atomic Mass 200.59 atomic mass units
Number of Protons 80
Number of Neutrons 121
Number of Electrons 80
Melting Point -38.87° C
Boiling Point 356.58° C
Density 13.456 grams per cubic centimeter
Normal Phase Liquid
Family Transitions Metals
Period Number 6
The knowledge of plate tectonics help people living in areas prone to earthquakes and volcanic eruptions can help by knowing the chances of the earthquake or volcanic eruption
Answer:
Retrograde Motion
Explanation:
Geocentric model of planets was proposed by Ptolemy. It stated that all sun, planets and stars revolve round the earth in circular orbits.
NOTE: Ptolemy: an ancient astronomer, geographer, and mathematician who considered the Earth the center of the universe (the "Ptolemaic system").
Aluminium chloride is covalent hence soluble in organic solvent while magnesium chloride being ionic is insoluble in organic solvent
The pH scale is used to measure how acidic or alkaline something is.
Hope that helped you!
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