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.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

ELECTRONEGATIVITY __________ from left to right across a period and __________ from top to bottom down a group.

• decreases, increases

• increases, increases

• increases, decreases

• decreases, decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The element with the largest electronegativity is -

• At

• F

• Cl

• Br

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you move down a GROUP on the periodic table the atomic radius get bigger. This is because ____________.

• The atoms have more neutrons in the nucleus.

• The atoms have more protons in the nucleus.

• The atoms have more energy levels for the electrons

• The atoms have greater repulsion forces between the protons and electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you move across a period on the periodic table the atomic radius tend to get smaller because, ______________.

• the atoms have more mass making them heavier.

• more neutrons, making the nucleus bigger.

• the atoms have more protons, pulling the electrons closer.

• the atoms have less energy levels for the electrons to occupy.

Tags

NGSS.HS-PS1-1

Which element has a greater atomic radius, nitrogen (N) or fluorine (F)?

• Fluorine

• Nitrogen

Tags

NGSS.HS-PS1-1

Which element has a greater ionization energy, nitrogen (N) or fluorine (F)?

• Fluorine

• Nitrogen

Tags

NGSS.HS-PS1-1

Which element has a greater atomic radius, sulfur (S) or tellurium (Te)?

• sulfur

• tellurium

Tags

NGSS.HS-PS1-1

Which element has a greater ELECTRONEGATIVITY, sulfur (S) or tellurium (Te)?

• sulfur

• tellurium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2