IPS- 75% Summative- Atomic Structure Unit (Atoms, Isotopes, PT)

What is an atom's nucleus made of?

• protons and electrons
• protons and neutrons
• neutrons and electrons
• protons only
• neutrons only

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NGSS.MS-PS1-1

Check box ALL THE CORRECT ANSWERS below about the atom

• protons are found outside the nucleus and have a positive charge
• protons are found inside the nucleus and have a positive charge
• neutrons are found inside the nucleus and have a negative charge
• electrons are found inside the nucleus and have a negative charge
• electrons are found outside the nucleus and have a negative charge

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NGSS.MS-PS1-1

An element with 5 proton, 6 neutrons, and 8 electrons has a MASS NUMBER of

• 5
• 11
• 8
• 6

Atoms of the same element that have different number of neutrons are called

• ions
• isotopes
• atoms
• molecules

How many electrons will a NEUTRAL ATOM of carbon have if its nucleus has 6 protons and 8 neutrons?

• 5
• 6
• 8
• 11

Check box ALL THE CORRECT ANSWERS about the chart below. Assuming this is an atom

• The element is lithium
• The number of protons is 3
• The element is nitrogen
• The number of protons is 7
• The number of protons is 4

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NGSS.MS-PS1-1

Based on the picture below, what would the MASS NUMBER be?

• 9
• 8
• 10
• 4
• 5

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NGSS.MS-PS1-1

Based on the picture below, how many NEUTRONS does this element have?

• 2
• 7
• -1
• 12
• 6

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NGSS.MS-PS1-1

Check box ALL THE CORRECT ANSWERS about the chart below. Assuming this is an atom

• The number of neutrons is 4
• The number of electrons is 3
• The number of neutrons is 7
• The number of electrons is 7
• The number of electrons is 4

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NGSS.MS-PS1-1

What needs to happen to the picture to make the element become "STABLE"

• To become stable it needs to have a NEUTRON removed from the nucleus
• To become stable it needs to have an ELECTRON removed from the nucleus
• To become stable it needs to have a NEUTRON removed from the outer rings
• To become stable it needs to have an ELECTRON removed from the outer rings

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NGSS.MS-PS1-1