2. Atoms, ions and compounds
No description yet. This curated deck is ready for daily study.
Card preview (21)
What is the mass of a proton?
1
What is the charge of a proton?
1+
What is the mass of an electron?
1/1836
What is the charge of an electron?
1-
What is the mass of a neutron?
1
What is the charge of a neutron?
0
What are isotopes?
Atoms of the same element with the same number of protons but different number of neutrons.
What is relative isotopic mass?
The mass of an isotope compared with 1/12 of the mass of an atom of carbon-12.
What is relative atomic mass?
The weighted mean mass of an atom of an element compared with 1/12 of the mass of an atom of carbon-12.
What is the charge of ammonia (NH3) ?
0
What is the charge of ammonium (NH4) ?
1+
What is the charge of hydroxide (OH) ?
1-
What is the charge of nitrate (NO3) ?
1-
What is the charge of carbonate (CO3) ?
2-
What is the charge of sulfate (SO4) ?
2-
What is the charge of hydrogencarbonate (HCO) ?
1-
What is the charge of phosphate (PO4) ?
3-
What is the charge of silver (Ag) ?
1+
What is the charge of zinc (Zn) ?
2+
What is the formula of sulfur?
S8
What is the formula of phosphorus?
P4