Biology help! ( 40 pts ) Please and thank you!
Which of the following elements would be the most reactive?
Strontium
Nitrogen
Chlorine
Radon
Name an element which will chemically behave like Xenon.
Iodine
Carbon
Neon
Plutonium
How many electrons does a neutral atom of calcium (Ca) possess?
None
Five
Twenty
Fourty
What are the starting chemicals in a reaction called?
The Products
The Reactants
The Equilibrium
The Yield
What would be a representation of a single-replacement reaction?
A + B --> AB
AB --> A + B
AB + C --> AC + B
AB + CD --> AD + CB