Other questions in this quiz

2. Which of the following sets of coefficients correctly balance the equation shown? wBa3N2 + xH2O → yBa(OH)2 + zNH3

  • 1 6 3 1
  • 1 6 3 2
  • 1 3 3 1
  • 1 3 3 2

3. What is the concentration in mM of chloride ions in an infusion containing 1.8 g of calcium chloride per litre?

  • 23.8
  • 32.4
  • 16.2
  • 47.7

4. How many orbitals with l = 2 can exist in a shell?

  • 8
  • 2
  • 5
  • 4

5. Which of the following is a characteristic of bonds between metals and nonmetals?

  • Directionality
  • Bonds which are broken in water
  • Bonds which are broken on melting
  • An electron sea
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