17. Read the passage and answer any four questions: An element as a basic form of matter that cannot be broken down into simpler substances by chemical reactions. Elements can be normally divided into metals, non-metals and metallolds. Examples of metals are gold, silver, copper etc. Examples of non-metals are hydrogen, oxygen, lodine etc. Some elements have intermediate properties between those of metals and non-metals, they are called metalloids. A compound is a substance composed of two or more elements, chemically combined with one another in a fixed proportion. The material obtained by the group is a mixture of the two substances. The properties of the mixture are the same as that of its constituents.í Who was the first scientist to use the term elements?a Antoine Laurentb. Robert Boylec Robert Brownd. none of theseii Which of the following property is not shown by metalsa maleabilityb. ductilityC poor conductord. lustrelil is the only metal that is liquid at room temperature.

17. Read the passage and answer any four questions: An element as a

1.	17. Read the passage and answer any four questions: An element as a basic form of matter that cannot be broken down into simpler substances by chemical reactions. Elements can be normally divided into metals, non-metals and metallolds. Examples of metals are gold, silver, copper etc. Examples of non-metals are hydrogen, oxygen, lodine etc. Some elements have intermediate properties between those of metals and non-metals, they are called metalloids. A compound is a substance composed of two or more elements, chemically combined with one another in a fixed proportion. The material obtained by the group is a mixture of the two substances. The properties of the mixture are the same as that of its constituents.í Who was the first scientist to use the term elements?a Antoine Laurentb. Robert Boylec Robert Brownd. none of theseii Which of the following property is not shown by metalsa maleabilityb. ductilityC poor conductord. lustrelil is the only metal that is liquid at room temperature.
Answer» EXPLANATION:i) ROBERT Boyleii) POOR conductoriii)MERCURY

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