Answer:
- rows and columns
- period
- atomic orbitals
4.similar properties
5.electrons are very reactive
Answer:
cierra los ojos que me vengo o me vengo
cierra los ojos que me vengo o me vengo
Explanation:
cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengo
Answer:
Solids.
Explanation: Most elements are solids, only 11 are gases and 2 are liquids.
Answer: The formula of the hydrated alumina is 
Explanation:
Decomposition of hydrated alumina is given by:

Molar mass of
= 101.96 g/mol
According to stoichiometry:
(101.96+18x) g of
decomposes to give 101.96 g of
Thus 5.000 g of
decomposes to give=
of H_2O
But it is given 5.000 g of a sample of hydrated salt
was found to contain 2.6763 g of unhydrated salt
Thus we can equate the two equations:


Thus the formula of the hydrated alumina is 