chemistry final Flashcards
(10 cards)
What’s an ionic bond
a bond where electrons are transferred from one atom to another
What type of elements typically form ionic bonds
a mental and a non-metal
What is the charge of an ion formed by a metal in an ionic bond
positive
Ionic bonding is a force of ____ attraction between two charged ions
electrostatic
What determines how many electrons an atom will gain or lose in an ionic bond
The number of valence electrons
What’s an isotope
The atom of the same element with a different number of neutrons
What do atomic numbers tell you
How many protons does it have
How is the average atomic mass calculated?
Multiplying the atomic mass of each isotope by its relative abundance (as a decimal) and then summing these products.
What is nuclear reaction