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Question
Sodium has an atomic number of 11 and an atomic mass of 23. Sodium has __________.
A. 12 neutrons and 11 protons
B. 12 protons and 11 neutrons
C. 12 electrons and 11 neutrons
D. 12 protons and 11 electrons
E. 12 electrons and 11 protons
Answer
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Related questions
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The sympathetic chain of ganglia is found at the __________ levels of the spinal cord.
A. cervical and thoracic
B. thoracic and lumbar
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D. sacral, lumbar and coccygeal
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Q:
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A. anger
B. digestion
C. exercise
D. stress
E. arousal
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B. It accelerates the resting heart rate above its intrinsic rate.
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B. Oculomotor - III
C. Facial - VII
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C. Delta
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The pyramidal cells of the precentral gyrus are called __________ neurons.
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B. Dura mater, arachnoid, pia mater
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