Answer:
We do not have 
- the amount of substance.
The molecular weight (
) of Bromine is 80.
Barium can form ions with a +2 charge and it is called a cation.
Ex:- Ba(s)+2HCl(aq)→BaCl2(aq)+H2(g)
In this redox reaction,
initially, barium shows 0 (s) oxidation no. and after forming the product its oxidation no. changes to +2 (in aq).
When a metal loses electrons and a nonmetal gets those electrons, cations (positively charged ions) and anions (negatively charged ions) are created.
<h3>Ionic bonds are created when a metal and a nonmetal interact. The position of an element on the periodic table can frequently tell you what charge an ion generally carries:</h3>
- the alkali metals (the IA elements) lose a single electron and form a 1+ charge.
- the alkaline earth metals (IIA elements) lose two electrons and form a 2+ cation.
- IIIA family member aluminum loses three electrons to become a 3+ cation.
- Seven valence electrons are shared by all of the halogens (VIIA elements) and each of them has a single negative charge, forming an anion.
- The VIA elements pick up two electrons to create 2- charged anions.
- The VA elements pick up three extra electrons to create 3- charged anions.
To know more about elements of the periodic table refer to:-
brainly.com/question/25916838
#SPJ10
Answer:
K2S2O8
Explanation:
The method is attached above.
The answer is D.
The atomic number stands for the number of protons in each element. The number of protons is what is unique to each element. The number of neutrons varies; this is what isotopes are. The number of protons being the atomic number explains why the atomic number is an identifying characteristic of each element.
