Fundamental of chemistry

The branch of science which deal with the composition structure properties and reaction of matter is called as

• science

• biology

• chemistry

• physics

_______ is simply defined as anything that has mass and occupies space

• substance

• Matter

• science

• mixture

A piece of a matter in pure form is termed as a _______

• substance

• matter

• element

• valency

The ______ properties depend upon the composition of a substance

• compund

• physical

• chemistry

• chemical

In the early age only _____ elements were know

• 20

• 118

• 92

• 9

The elements are represented by ______ which are abbreviation for the name of elements

• valency

• symbols

• elements

• formula

the unique property of an element is

• symbols

• element

• valency

element having less than four electrons in their valence shell , they prefer to

• gain

• nothing

• loss

compound can't be broken down into its constituent element by simple

• chemical method

• physical method