Atoms, Elements, Compounds, Periodic Table Flashcards
(5 cards)
0
Q
Atom
A
Is the smallest part of an element that’s still has the properties of that element
1
Q
Isotope
A
Atoms of the same element which have different number of neutrons . E.g. Carbon - 12 and carbon- 14
2
Q
Element
A
Is a substance that cannot be broken down into simpler substances by chemical reactions
3
Q
Molecule
A
Is composed of two or more atoms chemically combined
4
Q
Compound
A
Is a completely mew substance with its own properties , it is formed when two or more elements are chemically combined usually by burning