Topic 2 - Bonding, Structures And Nanoparticles Flashcards
1
Q
How are ions formed?
A
When a metal and nonmetal atom share electrons to make there outer shells full
2
Q
What is a positive ion called?
A
A cation
3
Q
What is a negative ion called?
A
An anion
4
Q
What is ionic bonding?
A
When positive and negative ions attract together. They have a structure described as an ionic lattice
5
Q
What is an ionic lattice?
A
A 3 dimensional network of positive and negative ions held together by the ionic bonds between the oppositely charged ions
6
Q
How is a covalent bond formed?
A
It’s formed between nonmetal atoms.
7
Q
What is a molecule?
A
2 or more atoms covalently bonded together