D. Synthesis cause A + B --> AB
Equation: 2Na + Cl2 --> 2NaCl
Soil covered, saturated, submerged, flooded w water, standing water
Hydrogen is usually –1. This is INCORRECT. The oxidation number for H is +1.
Oxygen is usually –2. This is CORRECT.
A pure group 1 element is +1. This is INCORRECT. It does not follow. This will depend on the other elements and the overall charge.
A monatomic ion is 0. This is INCORRECT. Diatomic ion is 0.
