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Atomic Structure Introductory — Free MYP1 Sciences Practice Questions
1QuestionIntroduction to the Concept of IonsConcept Practice
4 marks~6 minCriterion D
A small town is thinking about adding a special device to its water supply. The device puts silver ions into the water. Silver ions are charged particles that can kill harmful bacteria in the water. The device is expensive and may change the taste of the water.
a
Identify one benefit of using this device. [1]
b
Describe one limitation of using this device. [1]
c
State whether this device is a good choice for every town, and give two reasons to support your answer. [2]
Solutions
2QuestionStructure of a Simple AtomConcept Practice
4 marks~6 minCriterion C
Scientists once drew atoms as solid balls, like tiny marbles. We now know atoms have a small, dense centre with tiny particles moving around it.
a
Identify one advantage of the solid-ball model for a student who has never studied atoms before. [1]
b
Describe one disadvantage of the solid-ball model. [1]
c
Compare the solid-ball model with what we now know about atoms. State one way the models are the same and one way they are different. [2]
Solutions
3QuestionAtomic Number and Mass Number BasicConcept Practice
2 marks~3 minCriterion A
Every element has its own atomic number.
a
State what the atomic number tells you about an atom. [1]
b
Describe how atomic number is used to organise elements in the periodic table. [1]
Solutions
4QuestionStructure of a Simple AtomConcept Practice
2 marks~3 minCriterion B
A student builds a model of an atom using beads. She changes the number of protons in each model but keeps the number of electrons and neutrons the same each time.
a
Identify the independent variable in this investigation. [1]
b
Identify one controlled variable in this investigation. [1]
Solutions
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