Basics Flashcards
Atomic structure and isotopes, Relative mass and Formulae and equations (21 cards)
What are isotopes?
Atoms of the same element with the same number of protons but with different numbers of neutrons.
What does mass number represent?
The number of protons and neutrons.
Do isotopes react differently?
No, because chemical reactions involve electrons, not neutrons.
What is relative isotopic mass?
The mass of an isotope relative to 1/12th of the mass of an atom of carbon-12.
What is relative atomic mass?
The weighted mean mass of an atom of an element relative to 1/12th of the mass of an atom of carbon-12.
What is the structure and charge of an ammonium ion?
NH(4)
1+
What is the structure and charge of a hydroxide ion?
OH
1-
What is the structure and charge of a nitrate ion?
NO(3)
1-
What is the structure and charge of a nitrite ion?
NO(2)
1-
What is the structure and charge of a hydrogencarbonate ion?
HCO(3)
1-
What is the structure and charge of a manganate(VII) ion?
MnO(4)
1-
What is the structure and charge of a carbonate ion?
CO(3)
2-
What is the structure and charge of a sulfate ion?
SO(4)
2-
What is the structure and charge of a sulfite ion?
SO(3)
2-
What is the structure and charge of a dichromate(VI) ion?
Cr(2)O(7)
2-
What is the structure and charge of a phosphate ion?
PO(4)
3-
What is the structure and charge of a zinc ion?
Zn
2+
What is the structure and charge of a sodium ion?
Na
1+
What is the structure and charge of a halide ion?
F/Cl/Br/I/At
1-
What is the structure and charge of an aluminium ion?
Al
3+
What is a diatomic molecule?
Two atoms of the same element bonded together.
