What items are minerals or contain minerals

WHich solar system object (s) have humans visted

Consider the following balanced redox reaction. 2S2O32 - + I2 → 2I - + S4O62 - How many moles of I2 can be consumed by 0.65 mL of 0.15 M Na2S2O3? a. 9.75 x 10-4 moles b. 1.95 x 10-3 moles c. 2.17 x 10-2 moles d. 4.88 x 10-5 moles

Using the periodic table, select two main group sets of elements (suggestion: pick group 1 or 2 and group 15, 16, or 17). Describe any trends in electronegativity and first ionization energy in each group. Explain these trends.

The two isomers of butane have different (1) formula masses (3) molecular formulas (2) empirical formulas (4) structural formulas

Which biome contains mostly coniferous trees and receives 35 to 100 cm of rain per year? deciduous forest taiga (boreal forest) temperate rain forest

Describe the difference between the terms "mass number" and "atomic mass".

Do you think that crocodiles share a common ancestor with birds, dolphins and dogs

If an atom has 28 protons and 29 neutrons, what is the mass?

Aqueous concentrated nitric acid is 69% HNO3 by weight and has a density of 1.42 g/mL. What is the molarity of this solution? What is the molality of the solution?

As the elements in Group 17 are considered in order of increasing atomic number, the chemical reactivity of each successive element (1) decreases (2) increases (3) remains the same