SCI 230 - MS-PS1-1: Atomic and Molecular Structure (Q - BANK)

What are the basic types of matter called?

• Compounds

• Elements

• Molecules

• Mixtures

Which of the following is an example of an element?

• Water

• Salt

• Oxygen

• Plastic

Elements are the (a)   materials that make up (b)   in the universe. They (c)   be broken down into simpler substances by ordinary physical or chemical processes.

• basic
• all matter
• cannot

Which items are made up of elements?

• 
• 
• 
• 

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NGSS.MS-PS1-1

What state of matter is mercury found in on Earth?

• Solid

• Liquid

• Gas

• Plasma

Which of the following elements is typically found as a gas on Earth?

• Copper

• Gold

• Oxygen

• Mercury

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NGSS.MS-PS1-4

What do different combinations of elements create?

• Only metals

• Only gases

• All matter in the universe

• Only liquids

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NGSS.MS-PS1-1

These are bars of gold. Which of the following statements are true about the gold bars?

• 
  The gold bars are made up of one element: gold.

• The gold bars are made up of many elements.

• The gold bars are not made up of any elements.

• The gold bars are made up of one element: copper.

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NGSS.MS-PS1-1

Dr. Franck cuts a bar of pure gold into smaller and smaller pieces. Will this action change the element that makes up the bar? Explain your answer.

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Answer explanation

Dr. Franck will not change the element that makes up the gold bar. Because the gold bar is only made of one element, the gold element will not change, no matter how many times the bar is cut. Elements cannot be broken down into simpler substances by cutting.

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NGSS.MS-PS1-1

There are only about 118 known elements. How is it possible that all matter in the universe is made up of just over 100 elements?

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Answer explanation

Elements combine to create new substances. The different combinations make up all the different kinds of matter in the universe.

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