The continental crust is the layer of granitic, sedimentary and metamorphic rocks which form the continents and the areas of shallow seabed close to their shores, known as continental shelves. It is less dense than the material of the Earth's mantle and thus "floats" on top of it.
In chemistry the need for standards when measuring quantities are in place for accurate measurement that is recognized world wide. This way, no matter what language people use, they will always understand there standards.
Answer:
A
Explanation:
i think A is correct answer because
A has 8 Electrons& Protons
and it's electronic configuration ns² np⁶.
which allow it to gain 2 electrons to reach stability.
What happens to a reactant molecules when forming product molecules is that they form different properties.
