Year 8 Chemistry - Atomic Basics Quiz (2)

In this picture, the Electrons are found in which color?

• Blue

• Red

• Green

What is the central part of an atom called?

• Electron

• Proton

• Neutron

• Nucleus

Which subatomic particle has a positive charge?

• Electron

• Proton

• Neutron

• Nucleus

What is the chemical symbol for Sodium?

• S

• Na

• So

• Sd

Which of the following is a compound?

• He

What is the atomic number of Carbon?

• 6

• 12

• 14

• 8

Which element is found in Group 1 of the periodic table?

• Helium

• Sodium

• Aluminium

• Chlorine

What is the chemical formula for methane?

Which of the following is a mixture of elements?

• Air

• Water

• Carbon dioxide

• Sodium chloride

What is the trend in atomic radius as you move down a group in the periodic table?

• It increases

• It decreases

• It stays the same

• It fluctuates