Please help i don't understand this at all if you can't see the awnsers there A 50% short, 50% tall
B 100% short
C 100% tall
D 25% short, 75% tall ​

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need