Copy of CI 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

Calcium is in Group 2, Period 4 of the periodic table. Which statement describes the charge of the ion it typically forms?

It forms an anion with a 1− charge.

It forms a cation with 2+ charge.

It forms a cation with a 1+ charge.

It forms an anion 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?

K, Ca, Se, Kr, Ga

Ca, Ga, K, Kr, Se

K, Kr, Se, Ca, Ga

K, Ca, Ga, Se, Kr

Obavezno

1

Based on their definitions, ionization energy could be considered the opposite of:

effective nuclear charge

ionization energy

electron affinity

nonmetallic character

Obavezno

1

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

Oxygen

Rubidium

Obavezno

1

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

Oxygen

Rubidium

Obavezno

1

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

Oxygen

Rubidium

Copy of CI 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?

Calcium is in Group 2, Period 4 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, ionization energy could be considered the opposite of:

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

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

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

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

Calcium is in Group 2, Period 4 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, ionization energy could be considered the opposite of:

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

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

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