Flashcards in 2.3 Atomic Structure and Quantitative Chemistry Deck (15)
The atomic number is the smaller of the two numbers in the periodic table. True or false?
The mass number is the larger of the two numbers in the periodic table. True or false?
The mass of a proton
The charge of a proton
The mass of a neutron
The charge of a neutron
The mass of an electron
1/1836 or almost 0
The charge of an electron
The atomic number is equal to
the number of protons in an atom
The number of protons in an atom is equal to
the number of electrons in an atom
The number of neutrons is equal to
the mass number - the atomic number
An isotope of an element has
the same number of protons and electrons but different numbers of neutrons.
The relative atomic mass of an atom is the average mass of an atom relative to which element?
Chlorine has a mass of 35.5 which isotope chlorine-35 or chlorine-37 is more abundant?
Chlorine 35. 75% is chlorine 35 and 25% is chlorine 37.