Compare the properties of elements in groups 17 and group 18. Make sure to cover the following points: a. What type of elements are found in each group?
b. Describe the reactivity of the elements in each group
c. Are the properties of both groups of elements different or similar?
d. Explain why the two groups of elements have been placed side by side.

How many grams of aluminum will there be in 98g of al2o3?

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?