6 Select the correct answer.
Nitrogen (N) and hydrogen (H) react with each other to produce ammonia (NH3). This reaction is shown in an equation as N2 + 3H2 - 2NH3.
What is the ratio of nitrogen atoms to hydrogen atoms in ammonia?
OA. 1 to 2
OB. 1 to 3
OC. 2 to 1
OD. 2 to 3
OE. 3 to 1
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Which element is the least metallic between cadmium, silver, zinc, or iron?

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