Hurricane Irma's strong winds and outer rain bands hit the Florida Keys on Saturday as the Category 3 storm pushed toward the state amid dire warnings. Hurricane Irma's strong winds and outer rain bands hit the Florida Keys on Saturday as the Category 3 storm pushed toward the state amid dire warnings.
Isotopes: Different Types of Atoms. Atoms in a chemical element that have different numbers of neutrons than protons and electrons are called isotopes. The atoms in a particular element have an identical number of protons and electrons but can have varying numbers of neutrons.
Let's say an atom is missing a neutron or has an extra neutron. That type of atom is called an isotope. An atom is still the same element if it is missing an electron. The same goes for isotopes.