Calcium (dairy products/cheese) and iron (eggs/fish) are examples of minerals; calcium is a major mineral. They are both healthy for your body.
Iron, potassium and iodine are examples of chemical elements, not carbohydrates.
Ca(NO3)2 -Calcium Nitrate
Zero. The net charge of a compound is always zero.
. Examples of hard magnets are Aluminum-Nickel-Cobalt (Alnicos) and Strontium-Iron (Ferrites, also known as Ceramics).
COINS DUMBAZZ
copper and iron
Examples of iron minerals: magnetite, hematite, goethite, siderite, limonite etc.
For example the preparation of iron sulfide from iron and sulfur.
Iron oxide minerals.
Iron, Neon, and hydrogen.
copper, gold, iron
Oxygen, gold, iron, and titanium.