Matter, Quiz 1 REVIEW

Which of these items is made up of one or more molecules?

• Gold
• Hydrogen
• Salt 
• Neon 

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Elements are made of 

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

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All matter is made of 

• energy 
• atoms 
• electrons 
• compounds 

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What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

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Two or more atoms chemically bonded together are called a

• atom
• element
• molecule
• mixture

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How many hydrogen atoms are there in a water molecule? 

• 0
• 1
• 2
• 3

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What is the total number of atoms in an ammonia (NH₃) molecule?

• 1
• 2
• 3
• 4

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A subatomic particle that has a positive electric charge

• Proton
• Neutron
• Electron
• Isotope

A subatomic particle that orbits an atom's nucleus, has a negative charge, and has very little mass

• Proton
• Neutron
• Electron
• Isotope

The center of an atom, usually made of protons and neutrons

• Nucleus
• Proton
• Atomic Number
• Isotope