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Ions are formed when atoms  A) gain or lose electrons          B) gain or lose protons         C) gain or lose neutrons    D) None of these 

A Compound is _____.A)     a pure substance that can be broken down into simpler substances by a chemical change. B)      a substance that is composed of two or more types of matter that can be separated by physical changes.C)      a pure substance that cannot be broken down into simpler substances by chemical changes.D)     a mixture that can be broken down into simpler substances by physical changes.

What is the common charge for an element in group 1A when they react to form a compound with another element?

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The empirical formula for CH2O is C6H12O6

What is the common charge for an element in group 6A when they react to form a compound with another element?

Choose one of the following programs and briefly describe it. National School Lunch Program School Breakfast Program Summer Food Service Program Special Milk Program Senior Farmers’ Market Nutrition Program Child & Adult Care Food Program Food Distribution on Indian Reservations Head Start

The best study design for trying to assess causality is the:

____________ is when the animal develops a stronger response over time to the same stimulus.

Although heart valve positions in dogs are like those in _________, abnormal heart sounds in the latter are more commonly auscultated in the sternal area.