atoms elements and compounds Flashcards
1
Q
elements
A
substances which are made up of only one type of atom
2
Q
compounds
A
elements which are bond together by a chemical reaction
3
Q
ionic bonding occurs between?
A
Ionic bonding occurs between metal and non-metal atoms
4
Q
ionic bond
A
electrostatic force between a cation and an anion
5
Q
ion
A
electrically charged particle formed when an atom either gains or loses an electron
6
Q
cation
A
positive ions
7
Q
anion
A
negative ions
8
Q
ionic compounds conduct electricity when….
A
molten or dissolved in aqueous solution
9
Q
when does covalent bonding happen?
A
when two or more non-metal atoms bond together
10
Q
What holds the arrangement of metal ions together?
A
the negative delocalized electrons are attracted to the positive metal ions by strong electrostatic forces of attraction
