Periodic Table Trends (Chem)

The chart scientists use to organize and classify all the known elements

• elements chart
• the chart
• Periodic Table of the Elements
• Period table

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Which subatomic particle has a positive (+) charge?

• Neutron
• Proton
• Electron

What subatomic particles would you find in the nucleus of an atom?

• Protons only
• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons 

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What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

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Which subatomic particle has a neutral or no charge?

• Proton
• Electron
• Neutron

Which subatomic particle has a negative (-) charge?

• Proton
• Electron
• Neutron

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

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The valence electrons are located on

• the red energy level (energy level #1)

• the yellow energy level (energy level #2)

• the green energy level (energy level #3)

• the blue energy level (energy level #4)

• the purple energy level (energy level #5)

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

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What creates a SHIELDING EFFECT by interfering (blocking) with the attractive forces (pulling forces) between the protons and the outer electrons.

• nucleus

• valence electrons

• core electrons

• protons