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?
what charge in on a neutron?
Where do you find electrons?
shells or orbits
what charge does an electron have?
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
Ionic substances usually have high melting points
Covalent bonds usually occur between 2 non-metals true or false?
water (H2O) is an example of an ionic bond.
Covalent compounds are usually liquids or gases