Chapter 5 revision

Atom is

• The smallest thing that ever exists

• The bigger thing that ever exists

Atomic model example of model is

• Computer model

• Real life model

• Scientific model

Element is

• A something that is indivisible

• A something that can broken down

What is the difference between

Mixture and compound

• Compound is bonding two elements to make a new substance is formed but Mixture is bonding two elements but no new substance

• Compound is bonding two elements but no new substance is formed but mixture is bonding two elements but new substance is formed

Who discoverd the atom

• Rutherford

• John Dalton

• Thompson

• Bohr

Atom contains of

• Neutrons,Protons and electrons

• Neutrons,Nucleus and atom

• Element,compound ,mixture

Atom is mostly

• Empty space

• No space

• Some space

Protons and electrons are have the Same number of sub particle

True or False??

• True

• False

Atomic number is The number of

• Protons

• Nucleus

• Neutrons

• Electrons

Atomic mass is the total number

• of protons and neutrons

• Of protons and nucleus

• Or protons and electrons