Which of these molecules is polar?
A. O₂
B. N2
C. BH3
D. NO...
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An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons
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Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
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The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
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