Copy of Skill Check #3.3 (Unit 2 Investigation 3 Experience 3) (7/30/2025)

Obavezno

2

Cations are always _ than the parent atom and anions are always _ than the parent atom.
Which terms best complete the sentence?

smaller, larger

smaller, smaller

larger, smaller

larger, larger

Obavezno

2

Lithium is in Group 1, Period 2 of the periodic table. Which statement describes the charge of the ion it typically forms?

It forms a cation with 2+ charge.

It forms an anion with a 1+ charge.

It forms an anion with a 1− charge.

It forms a cation with a 1+ charge.

Obavezno

2

The elements K, Ca, Se, Kr, and Ga all appear in Period 4 of the Periodic Table. Which arrangement, from left to right, orders them from largest to smallest in atomic size?

Ca, Ga, K, Kr, Se

K, Ca, Se, Kr, Ga

K, Ca, Ga, Se, Kr

K, Kr, Se, Ca, Ga

Obavezno

1

Based on their definitions, electron affinity could be considered the opposite of:

ionization energy

effective nuclear charge

shielding effect

nonmetallic character

Obavezno

1

Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a higher electron affinity?

Oxygen

Rubidium

Obavezno

1

Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a higher ionization energy?

Oxygen

Rubidium

Obavezno

1

Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has the larger atomic radius?

Oxygen

Rubidium

Copy of Skill Check #3.3 (Unit 2 Investigation 3 Experience 3) (7/30/2025)

Cations are always _________ than the parent atom and anions are always _________ than the parent atom.Which terms best complete the sentence?

Lithium is in Group 1, Period 2 of the periodic table. Which statement describes the charge of the ion it typically forms?

The elements K, Ca, Se, Kr, and Ga all appear in Period 4 of the Periodic Table. Which arrangement, from left to right, orders them from largest to smallest in atomic size?

Based on their definitions, electron affinity could be considered the opposite of:

Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a higher electron affinity?

Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a higher ionization energy?

Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has the larger atomic radius?

Cations are always _________ than the parent atom and anions are always _________ than the parent atom.Which terms best complete the sentence?

Lithium is in Group 1, Period 2 of the periodic table. Which statement describes the charge of the ion it typically forms?

The elements K, Ca, Se, Kr, and Ga all appear in Period 4 of the Periodic Table. Which arrangement, from left to right, orders them from largest to smallest in atomic size?

Based on their definitions, electron affinity could be considered the opposite of:

Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a higher electron affinity?

Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has a higher ionization energy?

Compare the periodic trends for the following elements: Rubidium (Rb) and Oxygen (O). Which element has the larger atomic radius?

Cations are always _ than the parent atom and anions are always _ than the parent atom.
Which terms best complete the sentence?

Cations are always _ than the parent atom and anions are always _ than the parent atom.
Which terms best complete the sentence?