Answer:
Alkali metal hydroxides can be used to test the identity of metals in certain salts. The colour of the precipitate will help identify the metal : Calcium hydroxide is soluble; no precipitate is formed.
Answer: Mendeleev improve newlands periodic table because he swapped the order of some elements if that fitted their properties better.
Explanation: I hope this helps!... :)
Answer is: it is not possible, because orbital (azimunthal) quantum number cannot be 2.
The principal quantum number (n) is one of four quantum numbers which are assigned to each electron in an atom to describe that electron's state.
For principal quantum number n=2:
1) azimuthal quantum number (l) can be l = 0...n-1:
l = 0, 1.
The azimuthal quantum number determines its orbital angular momentum and describes the shape of the orbital.
2) magnetic quantum number (ml) can be ml = -l...+l.
ml = -1, 0, +1.
Magnetic quantum number specify orientation of electrons in magnetic field and number of electron states (orbitals) in subshells.
3) the spin quantum number (ms), is the spin of the electron.
ms = +1/2, -1/2.
That John Dalton was an English chemist that was most famous for proposing atomic chemistry.He proposed atomic theory in 1803,which states that all matter is composed of small indivisible particles called atoms.
The kinetic energy (energy of movement) of the gas particles will increase.
