ATI TEAS 7
Chemistry
1. What is the name for the balanced equation that represents a chemical reaction?
- A. Hypothesis
- B. Chemical formula
- C. Balanced equation
- D. Reaction mechanism
Correct answer: C
Rationale: A balanced equation shows the reactants, products, and their stoichiometric coefficients, ensuring equal numbers of atoms of each element on both sides.
2. She finds out that some managers have benevolent-authoritative style of management. Which
- A. Have condescending trust and confidence in their subordinates
- B. Gives economic or ego awards
- C. Communicates downward to the staff
- D. Allows decision making among subordinates
Correct answer: D
Rationale: The correct answer is D because the benevolent-authoritative style of management involves allowing decision-making among subordinates. This style combines a caring attitude towards employees with a level of authority and control. Managers who adopt this style often empower their subordinates to make decisions within a set framework, fostering a sense of autonomy and responsibility among the team. Options A, B, and C do not accurately describe the characteristics of a benevolent-authoritative management style, making them incorrect choices for this question.
3. What is the law of conservation of energy?
- A. Energy cannot be created, only destroyed
- B. Energy can be created but not destroyed
- C. Energy can neither be created nor destroyed, only transformed from one form to another
- D. Energy is always created in any process
Correct answer:
Rationale: According to the law of conservation of energy, the total energy in a closed system remains constant; it can change forms but cannot be created or destroyed.
4. What is the term for a substance that can act as both a proton donor and a proton acceptor?
- A. Acid
- B. Base
- C. Amphiprotic
- D. Neutral
Correct answer: C
Rationale: Amphiprotic substances can act as both a proton donor and a proton acceptor. The other choices are specific to either acids or bases.
5. Which of the following is an example of an aromatic hydrocarbon?
- A. Ethane
- B. Benzene
- C. Propane
- D. Butene
Correct answer: B
Rationale: Benzene is an example of an aromatic hydrocarbon. The other choices are aliphatic hydrocarbons.
6. Which of the following is the smallest unit of matter?
- A. Molecule
- B. Atom
- C. Compound
- D. Element
Correct answer: B
Rationale: An atom is the fundamental building block of matter, while molecules are formed by the combination of atoms.
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