It’s extremely bad quality I really can’t read it
Answer:
Bromine gains an electron
Explanation:
According to oxidation and reduction
False. elements in the same period have the same number of shells while elements in the same group have the same number of valence electrons.
Answer:
2n² is a formula that determines that the maximum number of electrons should be accommodated in a particular shell.
Explanation:
25/2 and 96/X
CROSS MULTIPLY.
2x=2,400.
divide by 2.
x=1,200.
you take the GIVEN MASS of an element, and you put it on top, the coefficient is what it’s over. i believe this is right
