Which statement describes a chemical property of an element?
- Mayya Alocci
- Oct 3
- 1 min read
Regents Chemistry Exam August 2025 Question 5
5 Which statement describes a chemical property of an element?
(1) Aluminum melts at 933 K.
(2) Copper is reddish in color.
(3) Silver reacts with hydrogen sulfide.
(4) Potassium has a density of 0.89 g/cm3 at room temperature.
Solution:
A chemical property refers to the ability of substance to undergo a reaction and change its identity. Choice 3 describes a reaction and is therefore a chemical property. The rest of the choices are physical properties.
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