ion basics
What is a cation?
A cation is a positively charged ion, typically formed when an atom loses electrons.
What is the formula for the compound formed between sodium (Na) and sulfur (S)?
Na2S (Sodium sulfide)
Name the compound with the formula CaO.
Calcium oxide
What is the formula for iron(III) chloride?
FeCl3
What is the formula for sodium carbonate?
Na2CO3
What is an anion?
An anion is a negatively charged ion, typically formed when an atom gains electrons.
What is the formula for the compound formed between potassium (K) and oxygen (O)?
K2O (Potassium oxide)
Name the compound with the formula MgS.
Magnesium sulfide
What is the formula for copper(I) oxide?
Cu2O
What is the formula for calcium sulfate?
CaSO4
What is the charge of an ion formed by a Group 1 metal?
Group 1 metals form cations with a +1 charge by losing one electron.
What is the formula for the compound formed between calcium (Ca) and chlorine (Cl)?
CaCl2 (Calcium chloride)
Name the compound with the formula NaF.
Sodium fluoride
What is the formula for manganese(IV) oxide?
MnO2
What is the formula for ammonium phosphate?
(NH4)3PO4
What is the charge of a sulfate ion
SO4-2 has a charge of -2.
What is the formula for the compound formed between aluminum (Al) and oxygen (O)?
Al2O3 (Aluminum oxide)
Name the compound with the formula AlBr3.
Aluminum bromide
What is the formula for zinc sulfate?
ZnSO4
What is the formula for magnesium nitrate?
Mg(NO3)2
What is the charge of a phosphate ion
PO4-3 has a charge of -3.
What is the formula for the compound formed between lithium (Li) and nitrogen (N)?
Li3N (Lithium nitride)
Name the compound with the formula Li2O.
Lithium oxide
What is the formula for copper(II) chloride?
CuCl2
What is the formula for aluminum sulfate?
Al2(SO4)3