All of the alkali earth metals, Group 2, have two valence electrons. Which of these would represent the oxidation number of the alkali earth metals such as magnesium and calcium?

A) - 6

B) - 2

C) + 2

D) + 6

Describe where an allele is located on a chromosome

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How many significant figures are in the measurement 1.050 L?

Outline how global warming may affect arctic ecosystems.

When an organism reproduces asexually, it usually has (1) only one parent, and half as much DNA as the parent (2) only one parent, and the same chromosome number as the parent (3) two parents, and twice as much DNA as either parent (4) two parents,

A country that is not growing is characterized by an age structure that is

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What is the limit on saturated fat intake in grams that you would recommend to your friend, who is consuming 2,500 calories?