Atoms Elements Molecules

Elements are made of 

• many types of atoms 
• the periodic table
• one type of atom 
• molecules 

All matter is made of 

• energy 
• atoms 
• electrons 
• compounds 

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Two or more atoms chemically bonded together are called a

• atom
• element
• molecule
• mixture

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This subatomic particle of an atom has a POSITIVE charge.

• electron
• neutron
• proton
• amitron

Protons and neutrons clump together to form the __________ of an atom.

• nucleus
• centrosome
• outer shell
• orbital

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This subatomic particle of an atom has NO charge.

• electron
• proton
• atom
• neutron

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This subatomic particle of an atom has a NEGATIVE charge.

• electron
• proton
• atom
• neutron

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The image shows the periodic grid of potassium. How many electrons are found in the potassium atom?

• 19

• 20

• 39

• 40

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How many elements are in C₆H₁₂O₆?

• 1

• 2

• 3

• 6

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How many Hydrogen atoms are present in H₂0?

• 2

• 4

• 1

• 0

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