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Nursing Elites

ATI TEAS 7

Chemistry

1. Which of the following is an example of a polymer?

Correct answer: C

Rationale: Polyethylene is a polymer, consisting of a large number of repeating ethylene units. The other choices represent small organic compounds.

2. Which of the following substances is an example of an acidic gas?

Correct answer: C

Rationale: Sulfur dioxide is an acidic gas. The other choices are either neutral or basic gases.

3. Which element is used in semiconductors like computer chips and solar panels?

Correct answer: B

Rationale: Silicon's unique properties allow it to be manipulated to conduct or not conduct electricity, making it ideal for various electronic applications.

4. What property of a substance measures the amount of matter per unit volume?

Correct answer: c

Rationale: Density measures the amount of matter (mass) per unit volume of a substance.

5. Deuterium, a stable isotope of hydrogen, has a nucleus containing:

Correct answer: B

Rationale: The correct answer is B: 'A proton and a neutron.' Deuterium is an isotope of hydrogen with an atomic number of 1, meaning it has 1 proton in its nucleus. However, deuterium also has a neutron in its nucleus, making it different from regular hydrogen which only has a proton in its nucleus. Therefore, deuterium has a nucleus containing both a proton and a neutron, making option B the correct choice.

6. The main idea of the passage is that

Correct answer: B

Rationale: Choice B accurately captures the passage's emphasis on history's multifaceted impact, providing insights into the present and potential visions for the future.

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