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Creado por Farha Idrees
hace más de 7 años
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Copiado por Farha Idrees
hace más de 6 años
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Pregunta | Respuesta |
What is an atom? | An atom is a tiny particle which make up everyone and everything around us |
define an element | element a substance made up of one type of atom |
If there are only around 100 types of atoms around the World, around how many types of elements are there in the world? | There are only about 100 different elements in the World |
Each element has a symbol. For example, the symbol for hydrogen is .... | H = hydrogen |
What are the columns of the periodic table called? | They are called groups and elements in the same group have similar chemical properties |
On which side of the Periodic Table can you find the metals? | Metals are found on the left side whilst non-metals are found on the right |
What is a compound? | materials that are made up of different types of atoms bonded together |
An atom has a tiny _____ at its centre, surrounded by _______. | An atom has a tiny nucleus at its centre, surrounded by electrons. |
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