Answer:
Fe
Explanation:
The electrical conductivity depends mainly on the type of chemical bonds between the atoms of a compound.
In the case of MgF2, FeCl3 and FeO3, these have the type of ionic bond. This means that in the atoms of the compound there is an electron transfer, to keep eight electrons in the outermost layer and thus resemble the electronic configuration of the inert gas closest to each of the two elements, due to this ions of opposite charges are formed that are held together by electrostatic forces. These types of compounds are good conductors of electricity, however, to have this property, they must be dissolved in water or molten.
In the case of Fe, however, the type of union between atoms is metallic. In this type of junction, valence electrons are quite free inside the metal, which makes it easy for them to move. For this reason, this compound will conduct electricity in a solid state.
Nucleus - controls and regulates the activities of the cell
nucleolus - producing and assembling the cells ribosome
nuclear membrane - separate the chromosomes from the rest of the cell
chromosomes - carries genetic information from one generation to another
ribosome - making proteins
cytoplasm - responsible for holding the components of the cell and protects them from damage, stores the molecules required for cellular processes and is also responsible for giving the cell its shape
cell membrane - provides protection for a cell, transport nutrients into the cell and also to transport toxic substances out of the cell
mitochondria - membrane-bound cell organelles that generate most of the chemical energy needed to power the cells biochemical reactions
Golgi complex - responsible for transporting, modifying, and packaging proteins and lipids into vesicles for delivery to targeted destinations
vacuole - (animal cells - help sequester waste products ) ( plant cells - help maintain water balance)
endoplasmic reticulum- produce proteins for the rest of the cell to function
cell wall - surrounds the plasma membrane of the plant cells and provides tensile strength and protection against mechanical and osmotic stress
chloroplast - allow plants to capture the energy of the sun in energy-rich molecules
Explanation:
Because gold is a very unreactive metal and exists as a pure substance (instead of oxides).
I believe your answer is: What is the enthalpy of formation of magnesium oxide?
Hope this helps! :)
Answer:
The planets Mercury, Venus, Earth, and Mars, are called terrestrial because they have a compact, rocky surface like Earth's terra firma. The terrestrial planets are the four innermost planets in the solar system.