Chemical Bonding Flashcards
an attractive force between atoms or ions
chemical bonds
a positively charged atom
cation
a negatively charged atom
anion
a charged atom
ion
an attractive force between cations and anions
ionic bond
the electrons found in the outermost energy level
valence electrons
What is the ion symbol for phosphorus (P)?
P ³⁻
What is the ion symbol for sodium (Na)?
Na ¹⁺
Metals tend to gain or lose electrons?
lose electrons
Atoms that gain electrons become ___.
anions
Nonmetals tend to gain or lose electrons?
gain electrons
Which has a higher ionization energy, metals or nonmetals?
nonmetals
Elements in groups 1 tend to lose ___ electrons?
one
two or more elements that are chemically combined
compounds
Composed of one kind of atom
elements
The building blocks of all compounds are?
elements
The building blocks of matter is?
atoms
Chlorine has ___ valence electrons?
7
Iron is a ____ metals.
transition
The chemical formula for calcium nitride is?
Ca ²⁺ N ³⁻ becomes Ca₃N₂
