Unit 3: Atoms and The Periodic Table Review

How are the elements in the periodic table arranged?

• Increasing Atomic Mass
• Increasing Atomic Number
• Alphabetical Order
• By the year they were discovered

How many neutrons are in a neutral atom of sodium that has 11 protons and a mass number of 23

• 11
• 23
• 12
• 10

On which side of the periodic table are the metals found?

• Far left side only
• Far right side only
• Left side and the middle
• Touching the stair step line

Which element will have the same chemical properties as Na?

• Ca
• Ar
• Mg
• Rb

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the smallest particle of an element that can still be classified as an element?

• Proton
• Atom
• Neutron
• Electron

What is the atomic mass of Gold?

• 200 amu
• 197 amu
• 196.97 amu
• 79 amu

What is an example of an element?

• Sulfur
• Carbon Dioxide
• Water
• Sodium Chloride

Tags

NGSS.HS-PS1-1

Noble gases have a full outer valence shell this makes elements like Neon ______________.

• Hightly Reactive
• Somewhat Reactiive
• Stable/Non-Reactive
• Easily combine with other elements.

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Which of the following statements describes group 2 of the periodic table?

• Stable non-metals with 1 valence electron
• Stable Metals with 2 valence electrons
• Highly reactive non-metals with 1 valence electron.
• Highly reactive metals with 2 valence electrons.

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Ernest Rutherford said...

• An atom contains protons, neutrons, and electrons.
• Electrons follow a predictable path around the nucleus.
• an atom's nucleus is small and has a positive charge. 
• Different isotopes of an element have different masses. 

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