Answer:
The answer to your question is letter A
Explanation:
A Molecular compound definition is a compound where the atoms share electrons, which means that these compounds have covalent bonds.
Nonmetals are attached by covalent bonds.
A. This compound has 2 nonmetals so it is an example of a molecular compound.
B. This compound has metal and nonmetals so this is an ionic compound.
C. This compound has metal and nonmetals it is also an ionic compound.
D. Potassium is a metal, oxygen and hydrogen nonmetals, it is an ionic compound.
E. Incorrect
Answer:
Explanation:
the last one thats all i know
Crystallization is the correct answer for recovering salt from a solution by evaporating the solvent
Answer:
There are no units with electro negativity. Linus Pauling designed a scale of electro negativity that ranks elements with respect to each other. So, for example, fluorine is a 4.0 in comparison to 0.7 for francium.
Explanation:
Answer : The correct option is, ![1molCO_2=44.01gCO_2](https://tex.z-dn.net/?f=1molCO_2%3D44.01gCO_2)
Explanation :
Molar mass : It is defined as the mass of the substance in grams or kilograms present in the one mole of substance.
The unit of molar mass is, gram/mole or g/mol.
Given : Molar mass of
= 44.01 g/mole
That means, one mole of
contains 44.01 gram of
.