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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이름: ____________________   날짜: ____________

1.쉬움

Which element is a metalloid?

  1. ASulfur
  2. BArgon
  3. CSilicon
  4. DSodium
2.쉬움

What does the octet rule state?

  1. AAtoms tend to gain, lose or share electrons to get 8 outer electrons
  2. BAn atom can form a maximum of 8 covalent bonds
  3. CEvery stable atom has exactly 8 protons in its nucleus
  4. DEvery stable molecule contains exactly 8 atoms
3.쉬움

What does the prefix "milli-" mean?

  1. AOne thousand (10³)
  2. BOne-hundredth (10⁻²)
  3. COne-millionth (10⁻⁶)
  4. DOne-thousandth (10⁻³)
4.보통

What is the formula of sodium sulfate, made from Na⁺ and SO₄²⁻ ions?

  1. ANa₄SO₂
  2. BNaSO₄
  3. CNa(SO₄)₂
  4. DNa₂SO₄
5.보통

Which reacts more vigorously with water, potassium or sodium?

  1. APotassium, because its outer electron is farther from the nucleus
  2. BThey react equally, because both are in group 1
  3. CSodium, because its outer electron is farther from the nucleus
  4. DSodium, because it has fewer electron shells to shield its electron
6.보통

What is the molar mass of calcium carbonate, CaCO₃ (Ca = 40, C = 12, O = 16 g/mol)?

  1. A84 g/mol
  2. B100 g/mol
  3. C68 g/mol
  4. D116 g/mol
7.어려움

Why does a burn from steam at 100 °C usually cause more damage than one from liquid water at 100 °C?

  1. ALiquid water cannot pass any of its heat to the skin
  2. BSteam carries dissolved acid that damages the skin
  3. CSteam particles are hotter than water particles at the same reading
  4. DSteam releases a large amount of extra energy as it condenses on the skin
8.어려움

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 14 (carbon group)
  3. CGroup 18 (noble gases)
  4. DGroup 17 (halogens)

정답표

  1. 1. C · Silicon
  2. 2. A · Atoms tend to gain, lose or share electrons to get 8 outer electrons
  3. 3. D · One-thousandth (10⁻³)
  4. 4. D · Na₂SO₄
  5. 5. A · Potassium, because its outer electron is farther from the nucleus
  6. 6. B · 100 g/mol
  7. 7. D · Steam releases a large amount of extra energy as it condenses on the skin
  8. 8. A · Group 1 (alkali metals)

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