ionisation energy

Ionisation energy is ___________.

• maximum energy required to remove 1 electron from 1 mol of gaseous atom

• minimum energy required to remove 1 electron from 1 mol of gaseous atom

• first ionisation energy

• second ionisation energy

When across a period, the atomic size decreases so the first IE ___________.

• increases

• decreases

• constant

• i am not sure

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

When going down a group, the atomic size increases so the first IE __________.

• increases

• decreases

• constant

• I am not sure

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Factors affecting the ionisation energy:

• Atomic radius

• Effective nuclear charge

• Shielding effect

• All of the above

Energy is required to remove an electron from the atom.

• True
• False
• Not sure

Tags

NGSS.HS-PS1-4

Which of the following is true about a sulfur atom and a chlorine atom?

• Sulfur is larger and has higher ionization energy.
• Sulfur is larger and has lower ionization energy.
• Sulfur is smaller and has higher ionization energy.
• Sulfur is smaller and has lower ionization energy.

Tags

NGSS.HS-PS1-1

Which element has the greater ionization energy?

• Lead
• Silicon

Tags

NGSS.HS-PS1-1

Put the following in order of increasing ionization energy:Neon, Lithium, Carbon

• Lithium, Carbon, Neon
• Carbon, Lithium, Neon
• Neon, Carbon, Lithium
• Lithium, Neon, Carbon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Put the following in order of increasing ionization energy:Sodium, Oxygen, Boron

• Sodium, Boron, Oxygen
• Oxygen, Boron, Sodium
• Sodium, Oxygen, Boron
• Oxygen, Sodium, Boron

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following is true about a sulfur atom and a chlorine atom?

• Sulfur is larger and has higher ionization energy.
• Sulfur is larger and has lower ionization energy.
• Sulfur is smaller and has higher ionization energy.
• Sulfur is smaller and has lower ionization energy.