정답이 있는 간호학 입학 시험 대비 화학 학습지

무료 인쇄용 간호학 입학 시험 대비 화학 학습지: 쉬운 문제부터 시험 수준까지 8문제, 정답표 포함. 인쇄하거나 PDF로 저장하세요.

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1.쉬움

What does organic chemistry study?

  1. ACompounds made of metals
  2. BOnly the noble gases
  3. CCompounds based on carbon
  4. DOnly compounds found in plants
2.쉬움

Elements in the same period of the periodic table have the same number of what?

  1. AProtons
  2. BOccupied electron shells
  3. CNeutrons
  4. DValence electrons
3.쉬움

Apart from mercury, which element is a liquid at room temperature?

  1. ABromine
  2. BIodine
  3. CSodium
  4. DChlorine
4.보통

What percentage of the mass of water (H₂O, 18 g/mol) is hydrogen (H = 1 g/mol)?

  1. AAbout 67%
  2. BAbout 89%
  3. CAbout 11%
  4. DAbout 5.6%
5.보통

How is 0.00045 written in scientific notation?

  1. A4.5 × 10⁻⁴
  2. B4.5 × 10⁴
  3. C4.5 × 10⁻⁵
  4. D4.5 × 10⁻³
6.보통

__N₂ + __H₂ → __NH₃를 맞추는 계수는 무엇인가요?

  1. A1, 3, 1
  2. B1, 1, 1
  3. C1, 3, 2
  4. D2, 3, 2
7.어려움

A compound is a gas at room temperature, does not conduct electricity in any state, and is made of two nonmetals. What kind of substance is it most likely?

  1. AA metal with delocalised electrons
  2. BA giant covalent network solid
  3. CAn ionic compound (a lattice of ions)
  4. DA simple molecular (covalent) substance
8.어려움

At room temperature chlorine (Cl₂) is a gas, bromine (Br₂) is a liquid and iodine (I₂) is a solid. What best explains this trend?

  1. AIodine forms hydrogen bonds but chlorine does not
  2. BLarger molecules with more electrons have stronger dispersion forces
  3. CChlorine is ionic, while iodine is metallic
  4. DThe covalent bond in I₂ is much stronger than in Cl₂

정답표

  1. 1. C · Compounds based on carbon
  2. 2. B · Occupied electron shells
  3. 3. A · Bromine
  4. 4. C · About 11%
  5. 5. A · 4.5 × 10⁻⁴
  6. 6. C · 1, 3, 2
  7. 7. D · A simple molecular (covalent) substance
  8. 8. B · Larger molecules with more electrons have stronger dispersion forces

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