The formula for K+ and S-2 is K2S because you need 2 potassium ions to balance out the sulfide ion
Answer:
C. The child must have inherited sickle cell genes from both parents.
Explanation:
Because of the fact that sickle cell disease is recessive, the child would have to get the gene from both parents.
I'm not sure I'm sorry for that but I found this http://www.chem4kids.com/files/atom_ions.html
Answer:
the bike is moving at a speed of 0.115810 mph
Effective Nuclear charge is represented by a Z * and sometimes Zeff. It's the net positive charge of an electron in a polyelectronic atom (valence electrons) the equation for it is Z*=Z-S
Z is the atomic number and S is the Shielding electrons
