Fill in the blank: Elements found in the same vertical columns ( Group 1A, 2A, etc.) Will share common properties. In the periodic table, the vertical columns of elements are called groups, or .

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i