The atom of alkaline earth metal has one more proton and one more electron than the alkali metal that is next to it to the left on the periodic table. Then the atomic number of the alkali metal is one unit less than the atomic number of the alkaline earth metal next to it
Answer:
A
Explanation:
because number of particle = moles × 6.02 × 10^23
which gives the answer as an A
Answer:
88.24
Explanation:
find the total mass of the compound using there RAM which has been give then the mass of caborn
Answer:
Na(OH)²
Explanation:
We look for the charges in the periodic table
In a crystal, the molecules are closer together as they are in any solid. they have less room to move, and might even be combined together rather than individual
