Werkblad Scheikunde voor toelatingsexamens verpleegkunde met antwoorden

Gratis printbaar werkblad Scheikunde voor toelatingsexamens verpleegkunde: 8 opgaven van makkelijk tot tentamenniveau, met antwoordenblad. Print het of sla het op als pdf.

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Naam: ____________________   Datum: ____________

1.Makkelijk

Wat is de chemische formule van water?

  1. AH₂O₂
  2. BHO₂
  3. COH
  4. DH₂O
2.Makkelijk

What is a dilute solution?

  1. AOne in which the solute has reacted with the solvent
  2. BOne with a large amount of solute in a little solvent
  3. COne with no solvent at all
  4. DOne with a small amount of solute in a lot of solvent
3.Makkelijk

Which of these is a polyatomic ion?

  1. AChloride, Cl⁻
  2. BSulfate, SO₄²⁻
  3. COxide, O²⁻
  4. DSodium, Na⁺
4.Gemiddeld

Radioactive iodine (iodine-131) is used to treat some thyroid conditions. Why does it reach the thyroid?

  1. AIodine is strongly attracted to the metal ions stored in the neck
  2. BRadiation is always drawn toward the head
  3. CThe thyroid gland takes up iodine to make its hormones
  4. DIodine-131 is not radioactive inside the body
5.Gemiddeld

How does ionisation energy (the energy needed to remove an outer electron) generally change from left to right across a period?

  1. AIt increases
  2. BIt first falls, then rises sharply
  3. CIt stays the same
  4. DIt decreases
6.Gemiddeld

How many covalent bonds does a carbon atom usually form?

  1. A2
  2. B4
  3. C1
  4. D3
7.Moeilijk

A solution contains 250 mg of a substance in every 5 mL. How many grams of the substance are in 100 mL?

  1. A5 g
  2. B5000 g
  3. C50 g
  4. D0,5 g
8.Moeilijk

Ethanol (CH₃CH₂OH) and dimethyl ether (CH₃OCH₃) have the same formula, C₂H₆O, but ethanol boils at a much higher temperature. Why?

  1. AEthanol has more carbon atoms
  2. BDimethyl ether is ionic and ethanol is covalent
  3. CEthanol molecules are heavier than dimethyl ether molecules
  4. DEthanol has an O–H group, so its molecules form hydrogen bonds with each other

Antwoordenblad

  1. 1. D · H₂O
  2. 2. D · One with a small amount of solute in a lot of solvent
  3. 3. B · Sulfate, SO₄²⁻
  4. 4. C · The thyroid gland takes up iodine to make its hormones
  5. 5. A · It increases
  6. 6. B · 4
  7. 7. A · 5 g
  8. 8. D · Ethanol has an O–H group, so its molecules form hydrogen bonds with each other

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