Answer:
Explanation:
Hello,
In this case, since the density is computed via the division of the mass by the volume:
For the given mass of 54 g and volume of 6 mL, the density turns out:
Best regards.
Answer:
True.
Explanation:
An exothermic reaction has a positive enthalpy (heat) of reaction. However, it can be negative in some circumstances.
Bond number
The characteristic of reactions that depends on valence electrons is the bond type.
In chemistry, a chemical bond could be;
Ionic
Covalent
The type of bond formed depends on the number of valence electrons present. When there are few valence electrons on an atom, it mostly forms ionic bonds.
When there are more electrons on an atoms, it mostly forms covalent bonds and the electrons between the atoms are shared.
Except D.
Pollution doesn't prevent cancer.
Unless the pollution is made of a cancer-curing medicine.
