chem3 Flashcards
1
Q
What is the transfer of electrons known as?
A
Ionic Bonding
Transfer of electrons
2
Q
What is the chemical symbol for Sodium?
A
Na
Sodium atom
3
Q
What is the chemical symbol for Chlorine?
A
Cl
Chlorine atom
4
Q
What is the chemical formula for Sodium Chloride?
A
NaCl
Sodium chloride
5
Q
What statements regarding Dalton’s atomic theory are still believed to be true?
A
I. Elements are made of tiny particles called atoms.
III. A given compound always has the same relative numbers and types of atoms.
Section 2.6 Molecules and Ions
6
Q
What is the mass number of the isotope X+ with 54 electrons and 78 neutrons?
A
133
Section 2.6 Exercise
7
Q
What are the elements in the Lanthanides group of the Periodic Table?
A
Rg, Cn, Uup
Lanthanides