Ionization Energy

A weaker force of attraction means that it takes ​ (a)   energy to remove an electron, leading to a ​ (b)   ionization energy.

• less

• lower

• more

• higher

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If an element has a lower ionization energy, it will be _________ to remove an electron, meaning it will more likely to _________ an electron during a chemical reaction.

• easier, lose

• easier, gain

• harder, lose

• harder, gain

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If an element has a higher ionization energy, it will be _________ to remove an electron, meaning it will more likely to _________ an electron during a chemical reaction.

• easier, lose

• easier, gain

• harder, lose

• harder, gain

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The ionization energy for Arsenic (As) is ​ (a)   kJ/mol and the ionization energy for Nitrogen (N) is ​ (b)   kJ/mol, which means the energy for ​ (c)   is higher.

• 738

• 1351

• arsenic

• nitrogen

• 947

• 1402

As you move across a row on the periodic table, the force of attraction ​ (a)   due to an ​ (b)   in the number of protons.​ ​

• increases

• decreases

• stays the same

• increase

• decrease

Tags

NGSS.HS-PS1-1

As you move up a group on the periodic table, the force of attraction (a)   due to an ​ (b)   in the distance between the nucleus and valence electrons.​

• increases

• decreases

• stays the same

• decrease

• increase

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The energy required to remove a valence electron from a gaseous atom is called ______________

• Electronegativity

• Atomic Radius

• Ionization Energy

The ionization energy of the elements will __________ as you move left to right across a period on the periodic table.

• Increase

• Decrease

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following elements has the highest first ionization energy?

• Helium (He)

• Lithium (Li)

• Beryllium (Be)

• Boron (B)

Tags

NGSS.HS-PS1-1

What is the trend in ionization energy as you move down a group in the periodic table?

• It increases

• It decreases

• It remains constant

• It fluctuates