Question | 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. |