MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Earn 100

The relative atomic mass of sodium is 23.0 and that of magnesium is 24.3. Which of the two elements may exist naturally as single isotope? Explain your answer.

Important Questions on Atoms and Elements

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 3 - Atoms and Elements>Q>Q 1
What is an atom?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 3 - Atoms and Elements>Q>Q 1
What is an element?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 3 - Atoms and Elements>Q>Q 2
If you could look inside an atom, what would you see?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 3 - Atoms and Elements>Q>Q 3
The symbols for some elements come from their Latin names. See if you can identify the element whose Latin name is natrium?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 3 - Atoms and Elements>Q>Q 3
The symbols for some elements come from their Latin names. See if you can identify the element whose Latin name is ferrum?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 3 - Atoms and Elements>Q>Q 3
The symbols for some elements come from their Latin names. See if you can identify the element whose Latin name is plumbum?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 3 - Atoms and Elements>Q>Q 3
The symbols for some elements come from their Latin names. See if you can identify the element whose Latin name is argentum?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 3 - Atoms and Elements>Q>Q 4
Which element has the symbol Ca ?