Answer:
Do not form hydrogen bonds amongst themselves and have higher vapor pressure.
Explanation:
It’s definitely persuade!
Well, considering atoms make up everything, they clearly play a very essential role.
However, this is where we see things like balanced chemical reactions and equations. It tells us how many we need for a reaction to occur, for example 4 atoms of nitrogen, etc.
Answer:-
[Kr] 5s1
Explanation:-
Atomic number of rubidium = 37
Atomic number of Kr = 36
So only 1 electron needs to be assigned an orbital.
Kr is also the last element of the fourth period
So the shell number for the 1 electron will be 5 since it is after Kr
Since s subshell is filled first the electron will go into 5s.
Hence the electron configuration for rubidium (Rb) in noble-gas notation is
[Kr] 5s1
Answer:
Explanation:
Magnesium is present in second group of periodic table. It has two valance electrons. Oxygen us present in group sixteen it has six valance electrons.
Magnesium need to lose two valance electrons to complete the octet while oxygen needed two electrons to complete the octet.
When magnesium loses it two electrons it form magnesium cation Mg²⁺ and its two electrons transfer to the oxygen thus oxygen becomes anion O²⁻.
Both negative and positive charges attract each others and form magnesium oxide. MgO.
Chemical equation with electron dot illustration:
Reaction is given in attached file.