Fill in the blanks and rewrite the sentence:
i. The substance formed by a chemical combination of two or more elements is called a …………. .
ii. The elements that show some properties of metals and non-metals are called ……… .
iii. Elements are generally classified into ……………….. and ……………….. .
iv. The smallest particles of substances are called ……………….. .
v. To date, scientists have discovered ……………….. elements and of these ……………….. elements occur in nature.
vi. ……………….. was the first scientist to use symbols for elements.
vii. Symbol for Tungsten is and it is …………and it is derived from its German name ……………….. .
viii. 22-carat gold is an ……………….. of gold.
ix. ……………….. of a compound is a short form of its name written using symbols of its constituent elements.
x. For separating insoluble particles of blood (blood cells) from its liquid part (plasma), ……………….. method is used.
