G9 Chapter 2 quiz

Which bond has strong electrostatic force?

Why does simple molecule has low melting point?

Noble Gases are inert because....

Which of the followings about Group VII is correct?

• Reactivity decreases

• Reactivity increases

• Melting and boiling point decrease

• Melting and boiling point increases

What happens if the Proton and electrons inside an atom is different?

Which of the following is the incorrect structure?

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• 
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Why covalent bond doesn't conduct electricity?

Which of the following are correct about ionic bond and covalent bond?

• Covalent bond is metal ion + non-metal ion

• Ionic bond lose or gains electron

• Simple molecule has high melting point

• 

Which of the followings are correct?

• Relative charge of Proton is 1

• Atomic number is always the same as proton number

• Relative mass of neutron is 0

• Mass number is always the same as its nucleon number

How to correct this structure as shown

• 3 maximum electron in the innershell

• 8 electrons in the innershell, 2 maximum electrons in the outermost shell

• 2 maximum electrons in the innershell

• 8 electrons maximum on the outershell