Periodic Table

Which of the following are subatomic particles?

I Proton

II Neutron

III Electron

IV Nucleus

• I, II, III

• I, II, IV

• I, III, IV

• II, III, IV

_____ has a positive charge and is located in the nucleus.

• Proton

• Neutron

• Electron

• Nucleon

_____ is the smallest particle in an element.

• Matter

• Atom

• Molecule

• Ion

_____ is a group of two or more atoms combined chemically.

• Atom

• Molecule

• Ion

• Element

_____ is the simplest form of substance that cannot be broken down.

• Compound

• Molecule

• Ion

• Element

Sodium chloride(salt) is an example of _____.

• Atom

• Element

• Compound

• Molecule

Inert gases are located in group _____.

• 1

• 13

• 15

• 18

_____ is used to separate dissolved substances of different colours such as ink or colouring.

• Chromatography

• Filtration

• Separation funnel

• Sieving

What is the colour of bromine gas?

• Blue

• Red

• White

• Brown

Which of the following statements about mixture are correct?

I Can be prepared through physical method

II Composition of element is fixed

III There is no formation of new substance

IV Shows the properties of original components

• I, II, III

• I, II, IV

• I, III, IV

• II, III, IV