Periodic Table Basics
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Questions and Answers

What is the main organizing principle behind the periodic table?

  • Atomic number (correct)
  • Number of protons
  • Atomic weight
  • Number of electrons

Which area of the periodic table experiences an increase in metallic character going down a group?

  • Bottom left to top right
  • Left to right across a period
  • Right to left within a period
  • Top to bottom within a group (correct)

What fundamental discovery was made in the late 19th century regarding the periodic table?

  • Discovery of atomic mass
  • Discovery of protons
  • Discovery of atomic numbers (correct)
  • Discovery of quantum mechanics

Who formulated the first generally accepted periodic table?

<p>Dmitri Mendeleev (D)</p> Signup and view all the answers

What does the periodic law state?

<p>Dependence of chemical properties on atomic mass (A)</p> Signup and view all the answers

What is the main function of the kidneys?

<p>Filtering blood and removing toxins (B)</p> Signup and view all the answers

Where does filtration occur in the kidney?

<p>Glomerulus (C)</p> Signup and view all the answers

What is the structural and functional unit of the kidney?

<p>Nephron (D)</p> Signup and view all the answers

What do the kidneys synthesize independently of the nephrons?

<p>Renin and vitamin D (B)</p> Signup and view all the answers

In which space are the kidneys located in humans?

<p>Retroperitoneal space (B)</p> Signup and view all the answers

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