Answer:
Br2(l) → BrO3-(aq) + Br-(aq)
A) Br2 = 3, OH - = 6
B) Br2 = 3, OH - = 3
C) Br2 = 2, OH - = 5
D) Br2 = 1, OH - = 2
E) Br2 = 1, OH - = 6
To answer the questions,
(1) Activation energy is the amount of energy that is needed for the reaction to proceed, converting the reactant to products. The answer is letter B.
(2) The rate of chemical reaction normally increases as the reactant concentration is increased. The answer is letter C.
Is B. The number of the atomic mass can increase or decrease because the number of neutrons is different.
The elements in the periodic table are arranged in columns - elements in the same column exhibit similar properties.
Mg and Sr are in the same column (period I)
Br and F (period XVII - 17)
S and O (period XVI - 16)
Answer: Yellow is electron, green is neutron, Red is proton
Explanation:
I learned this
