Which of the following does not represent a physical property? a. color b. densi

Question

Which of the following does not represent a physical property? a. color b. density c. flammability d. mass e. melting point Which of the following is a metal? a. C b. Na c. Ne d. O e. Se Which of the following is a nonmetal? a. Ho b. Br c. Fe d. Sb e. Ca Choose the INCORRECT statement from those given below. a. All atoms of a given element have an identical number of protons. b. All matter has mass. c. Atoms retain their identity during a chemical reaction. d. Different ratios of atoms produce different compounds. e. Chemical reactions involve rearranging proto neutrons.

Explanation / Answer

1. Answer is C. Flammability. all other are physical properties and this one is the chemical proprty.

2. Answer is B. Na - sodium is metal all other are gases and halogens

3. Answer is Br- Bromine is anon metal it falls under halogens.

4. Answer is option e. Chemical reactions involve rearranging photons and neutrons. which is no true. correct statement would be Chemical reactions involve rearrangng electrons in the valance shell.

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