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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.

What is an atom?   A part of an element with the properties of that element.  
What do you find in the nucleus?   protons and neutrons  
What charge is on a proton?   positive  
what charge in on a neutron?   no charge  
Where do you find electrons?   shells or orbits  
what charge does an electron have?   negative  
what does the atomic number tell us?   The number of protons in that element  
what does the mass number tell us?   The number of protons and neutrons in that element  
What is an ion?   A charged atom  
what is an ionic bond?   A bond that is formed by the attraction of opposite charges.  
Name an ionic compound   NaCl (Sodium Chloride)  
In an ionic bond, what happens to the electrons in the metal?   The metal loses electrons  
In an ionic bond, what happens to the non-metal?   The non-metal gains electrons  
True or false- ionic substances are usually solid   True  
Ionic substances usually have high melting points   True  
Covalent bonds usually occur between 2 non-metals true or false?   True  
water (H2O) is an example of an ionic bond.   False  
Covalent compounds are usually liquids or gases   True.  


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