Questions about atoms and bonding
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is an atom? | A part of an element with the properties of that element.
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| What do you find in the nucleus? | protons and neutrons
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| What charge is on a proton? | positive
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| what charge in on a neutron? | no charge
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| Where do you find electrons? | shells or orbits
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| what charge does an electron have? | negative
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| what does the atomic number tell us? | The number of protons in that element
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| what does the mass number tell us? | The number of protons and neutrons in that element
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| What is an ion? | A charged atom
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| what is an ionic bond? | A bond that is formed by the attraction of opposite charges.
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| Name an ionic compound | NaCl (Sodium Chloride)
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| In an ionic bond, what happens to the electrons in the metal? | The metal loses electrons
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| In an ionic bond, what happens to the non-metal? | The non-metal gains electrons
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| True or false- ionic substances are usually solid | True
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| Ionic substances usually have high melting points | True
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| Covalent bonds usually occur between 2 non-metals true or false? | True
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| water (H2O) is an example of an ionic bond. | False
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| Covalent compounds are usually liquids or gases | True.
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Created by:
jdoherty_Macdaras
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