Chemistry for nursing entrance exams worksheet with answers

Free printable Chemistry for nursing entrance exams worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

What is the SI unit of energy?

  1. AKelvin
  2. BJoule
  3. CWatt
  4. DNewton
2.Easy

In a chemical reaction, what is the limiting reactant?

  1. AThe reactant that is left over at the end
  2. BThe reactant with the largest mass
  3. CThe reactant that runs out first and stops the reaction
  4. DThe catalyst that controls the speed
3.Easy

Which electrons take part in chemical bonding?

  1. AThe electrons closest to the nucleus
  2. BAll electrons take part equally
  3. COnly the electrons in the first shell
  4. DThe valence (outermost) electrons
4.Medium

What is the shape of a water molecule?

  1. ABent
  2. BFlat triangle
  3. CLinear
  4. DTetrahedral
5.Medium

How many valence (outer-shell) electrons does an oxygen atom have?

  1. A2
  2. B16
  3. C8
  4. D6
6.Medium

In the ideal gas law, PV = nRT, what does n stand for?

  1. AThe density of the gas
  2. BThe number of moles of gas
  3. CThe number of atoms per molecule
  4. DThe number of molecules of gas
7.Hard

A compound has the empirical formula CH₂ and a molar mass of 42 g/mol (C = 12, H = 1). What is its molecular formula?

  1. AC₄H₈
  2. BCH₂
  3. CC₃H₆
  4. DC₂H₄
8.Hard

An unknown element is shiny, conducts electricity, and reacts vigorously with water to form a basic solution and hydrogen gas. In which group is it most likely?

  1. AGroup 1 (alkali metals)
  2. BGroup 18 (noble gases)
  3. CGroup 14 (carbon group)
  4. DGroup 17 (halogens)

Answer key

  1. 1. B · Joule
  2. 2. C · The reactant that runs out first and stops the reaction
  3. 3. D · The valence (outermost) electrons
  4. 4. A · Bent
  5. 5. D · 6
  6. 6. B · The number of moles of gas
  7. 7. C · C₃H₆
  8. 8. A · Group 1 (alkali metals)

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