KSSM_FORM 4_CHAPTER 8_8.1

Which of the following is NOT the type of matter?

• atomic substance

• molecular substance

• chemical substances

• ionic substance

Which of the following is the definition of atom?

• Charged particles, Positive (loses electron), Negative (gain electron)

• consist of two or more atom which are chemically combined. Could be same or different types of atom

• Smallest particle of an element. It is the most basic unit in an element

Which of the following is the definition of molecules?

• Charged particles, Positive (loses electron), Negative (gain electron)

• consist of two or more atom which are chemically combined. Could be same or different types of atom

• Smallest particle of an element. It is the most basic unit in an element

Which of the following is the definition of ion?

• Charged particles, Positive (loses electron), Negative (gain electron)

• consist of two or more atom which are chemically combined. Could be same or different types of atom

• Smallest particle of an element. It is the most basic unit in an element

Please choose the characteristics of atom substances?

• Contain only atom

• All metals and inert gases are made up of atom

• Atom in metals arrange neat and orderly

• Atom in inert gases are spread far apart and no regular arrangement

Please choose the characteristics of molecular substances...

• Two or more atoms that combined chemically.

• Atom can be same or different.

• Most non-metal substances exists in the form of molecules

• Reaction between non-metals elements forms a compound

Please choose the characteristics of ionic substances...

• Formed by reaction between metal and non-metal elements

• Substances contain positive ions and negative ions.