Periodic trends

Ionization energy is the...

• energy needed to remove the outermost electron.
• ability of an atom to attract electrons from another atom.

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NGSS.HS-PS1-1

Electronegativity is the...

• energy needed to remove the outermost electron.
• ability of an atom to attract electrons from another atom.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element has the smaller atomic radius: potassium (K) or bromine (Br)?

• potassium (K)
• bromine (Br)

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NGSS.HS-PS1-1

Which element has the greatest ionization energy: Aluminum (Al)    or    Chlorine (Cl)?

• Aluminum (Al)
• Chlorine (Cl)

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NGSS.HS-PS1-1

Which element has the greatest electronegativity: Nitrogen (N) or Arsenic (As)?

• Nitrogen (N)
• Arsenic (As)

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NGSS.HS-PS1-1

Which of the following will have a lower ionization energy than Scandium (Sc)?

• Helium (He)
• Titanium (Ti)
• Calcium (Ca)
• Magnesium (Mg)

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NGSS.HS-PS1-2

As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more nuetrons

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NGSS.HS-PS1-1

As you move across the periodic table atoms tend to get smaller because, ______________.

• the atoms have more mass.
• the atoms have less mass
• the atoms have more protons.
• the atoms have less electrons.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms that have a high electronegativity, _______________.

• give up their electrons more easily.
• hold on to their electrons more tightly.
• have more electron shells.

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NGSS.HS-PS1-2

Electronegativity is...

• how good an atom is at attracting electrons
• the ability of an atom to lose electrons
• the energy required to remove an electron from a specific atom
• how easy it is to make friends. 

Tags

NGSS.HS-PS1-1