Question

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 Laurent
b. Robert Boyle
c Robert Brown
d. none of these
ii Which of the following property is not shown by metals
a maleability
b. ductility
C poor conductor
d. lustre
lil is the only metal that is liquid at room temperature.​

Answer 1

Answer:

Explanation:

i) Robert Boyle

ii) poor conductor

iii)Mercury

Answer 2

Answer:

the know the name but I don't know the answer