Understanding Effective Nuclear Charge

In a sodium atom, what is the effective nuclear charge experienced by a valence electron?

• 0

• 1

• 9

• 11

Tags

NGSS.HS-PS1-1

How does atomic radius change as you move from left to right across a period in the periodic table?

• It increases

• It decreases

• It remains constant

• It first increases, then decreases

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following statements is true about ionization energy as you move down a group in the periodic table?

• Ionization energy increases

• Ionization energy decreases

• Ionization energy remains constant

• Ionization energy first decreases, then increases

Tags

NGSS.HS-PS1-2

Which ion is smaller, the nitride ion or the fluoride ion?

• Nitride ion

• Fluoride ion

Tags

NGSS.HS-PS1-1