Effective Nuclear Charge

As you move across a period, the effective nuclear charge...

• increases

• decreases

• stays the same

Tags

NGSS.HS-PS1-1

Which of the following elements has the highest effective nuclear charge?

• Indium

• Antimony

• tellerium

• Tin

Tags

NGSS.HS-PS1-1

Which of the following elements has a greater effective nuclear charge?

• Radium

• Francium

• copernicium

• actinium

Tags

NGSS.HS-PS1-1

What is the effective nuclear charge experienced by the outermost electrons in a fluorine atom?

• +1

• +7

• +9

• +17

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Find the effective nuclear charge of Carbon. Remember the formula is Zeff = Protons - shielding electrons.

Explain why ionization energy generally increases across a period from left to right.

• Due to increased electron shielding

• Due to increased nuclear charge

• Due to decreased atomic radius

• Due to increased atomic mass

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you move down a group, the effective nuclear charge....

• increase

• decreases

• stays the same

What happens to the effective nuclear charge value as you go from left to right across a period?

• increases

• decreases

• constant

• reaches zero

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Other than the number of protons, what determines the effective nuclear charge?

• number of core electrons

• number of valence electrons

• total number of electrons

• number of neutrons

What is the effective nuclear charge on alkaline earth metal atoms?

• +2

• +1

• +3

• +6

Tags

NGSS.HS-PS1-1