Question 1
Which symbol represents the element calcium?
Worked answer
🔒 Start free to see full answer
Chemistry · Unit 1 · Properties and structure of atoms · Atomic structure
State that elements are represented by symbols.
Practise this objective
AI-marked practice questions tied to QCAA mark schemes for this exact LO. Free to start.
Start free practicePractice questions for this objective
Full questions, answers and worked solutions unlock when you start a free practice session.
Question 2
Which symbol represents the element potassium?
Worked answer
🔒 Start free to see full answer
Question 3
Which represents the element with atomic number 19?
Worked answer
🔒 Start free to see full answer