Flashcards
chemistry
Flashcards do conjunto (5)
- 1What are atoms? What are they made up of?Atoms are the building blocks of chemistry and everything.
They contain and are made up of protons neutrons and electrons. - 2What are elements?A substance with only on type of atom is an element. There are 100 different elements which are found in the periodic table.The groups contain elements with similar properties.
- 3What does an atom look like?
- 4What is in an atoms nucleus?- It is in the middle of the atom.
- It contains protons and neutrons.
- Protons are positively charged.
-Neutrons have no charge.
-Therefore a nucleus has a positive charge. - 5What are electrons and their properties?- They move around the nucleus
- They're negatively charged.
- Tiny, but cover a lot of space.
- Occupy shells around the whole nucleus.
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- FlashCards sobre chemistry, criado por cheekycharlie-99 em 26-01-2015.
- Criado por
- cheekycharlie-99
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