Determine the full electron configuration for sulphide ion, $S^{2 -}$ (for elemental sulphur, $Z = 16$ )

Important Questions on Patterns

EASY

MYP:4-5

IMPORTANT

MYP Chemistry A concept-based approach Years 4&5>Chapter 11 - Patterns>Exercise 6>Q 1

Determine the full electron configuration for potassium ion,

K^{+}

(for elemental potassium

Z = 19

)

MEDIUM

MYP:4-5

IMPORTANT

MYP Chemistry A concept-based approach Years 4&5>Chapter 11 - Patterns>Exercise 7>Q 1

How can we use the value of the ionization energy of an atom as an indicator of the level of reactivity of an element?

MEDIUM

MYP:4-5

IMPORTANT

MYP Chemistry A concept-based approach Years 4&5>Chapter 11 - Patterns>Exercise 7>Q 2

What factors determine the relative size of the ionization energy of an element?

EASY

MYP:4-5

IMPORTANT

MYP Chemistry A concept-based approach Years 4&5>Chapter 11 - Patterns>What is shielding>Q 1

A campfire generates radiant heat that will keep you warm on a cold winter’s night. Additional wooden logs will increase the amount of radiant heat produced. Using this analogy, what happens to the nucleus of an atom as the number of protons increases?

MEDIUM

MYP:4-5

IMPORTANT

MYP Chemistry A concept-based approach Years 4&5>Chapter 11 - Patterns>Exercise 9>Q 1

Hypothesize whether the alkali metals will follow the same trend in reactivity when they react with oxygen.

MEDIUM

MYP:4-5

IMPORTANT

MYP Chemistry A concept-based approach Years 4&5>Chapter 11 - Patterns>Exercise 10>Q 1

Compare the chemical and physical properties of sodium and chlorine with those of sodium chloride.

MEDIUM

MYP:4-5

IMPORTANT

MYP Chemistry A concept-based approach Years 4&5>Chapter 11 - Patterns>Exercise 13>Q 1

Consider the reactions of the following oxides with water: sodium oxide, aluminium oxide, and sulphur dioxide. Describe whether each is acting as an acid or base. What does this suggest about the change in acid–base properties across a period?