The atomic number is equal to the number of protons
There is no more than 1 sigma bond between any two atoms.
Molecules with rings have supplementary sigma bonds, such as benzene rings,
which have 6 C−C
sigma bonds within the ring for 6 carbon atoms. The anthracene molecular
formula is C14H10, it has three
rings so that the rule contributes the number of sigma bonds as 24 added with 3
is 27, which will be subtracted with 1 which will give 26.
<span>chemical combination of two or more elements in definite proportions. For example, two hydrogen molecules + one oxygen molecule= one water molecule. A solution is a physical combination of two or more chemicals mixed evenly (salt that is dissolved in water). Solutions are also known as homogenous mixtures. A mechanical mixture is a physical combination of two or more chemicals that are not evenly mixed (hot fudge on ice cream). </span>
Answer:
b. 0.453 mol
Explanation:
To convert atoms to moles, use Avogadro's number (6.022×10²³). Divide the amount of atoms that are given by Avogadro's number. You should get 0.453 mol.
