Periodic trends

Which of the following has the highest Ionization energy?

• Li
• K
• Cl
• Ca

The element with the lowest electronegativity in Period 3 is -

• Na

• Cl

• Ar

• Mg

As we travel down the periodic table, ionization energy ________.

• Increases

• Decreases

• Stays the same

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

• decreases, increases 
• increases, increases
• increases, decreases 
• stays the same, increases

The element with the lowest electronegativity in Period 3 is -

• Na

• Cl

• Ar

• Mg

Tags

NGSS.HS-PS1-1

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

• decreases, increases 
• increases, increases
• increases, decreases 
• stays the same, increases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which statement correctly and completely identifies a trend?

• Atomic radius decreases across a period and increases down a group.
• Electronegativity decreases across a period and decreases down a group.
• Ionization energy increases across a period and increases down a group.
• Ionic radius increases across a period and increases down a group.

Tags

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.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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.

Tags

NGSS.HS-PS1-1

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

Tags

NGSS.HS-PS1-1