Science L3-Electrons & Chemical Bonding Flashcards
1
Q
valence electrons
A
electrons found in the outermost energy level of an atom (different atoms have different numbers of valence electrons)
2
Q
chemical bond
A
interaction that holds atoms or ions together
3
Q
ion
A
a particle with a positive or negative charge
4
Q
ionic bond
A
force that brings oppositely charged ions together
5
Q
covalent bond
A
bond that forms when atoms share one or more pairs of electrons
6
Q
molecule
A
group of atoms held together by chemical bonds
7
Q
metallic bond
A
forms between metal atoms when their outermost energy levels overlap
