Welcome to the Quiz!
This quiz contains 9 questions from a mix of 1 subtopics.
What is the basic building block of all matter?
element
molecule
compound
atom
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What is an element?
a pure substance made up of one type of atom
a pure substance made up of different types of atoms
a mixture of different types of atoms
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Which of the following is a characteristic of oxygen?
it is the lightest and most common element in the universe
it is a soft silvery metal that reacts violently with water
it is needed by all animals and plants to live
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Which of the following is a characteristic of sodium?
it is needed by all animals and plants to live
it is the lightest and most common element in the universe
it is a soft silvery metal that reacts violently with water
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How many natural elements are there on Earth?
millions
thousands
around 100
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What is the symbol for Lead?
Le
Pb
Pd
L
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The first letter of an element's symbol is always:
lowercase
capitalised
either capitalised or lowercase
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What is the most common element in the universe?
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Describe Dalton's model of an atom.
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