A mixture contains 2 or more substances mixed together but a compound is 2 or more different atoms chemically bonding together
Explanation:
Since you're 16, you have to calculate how many seconds you've lived.
16 years × 31,536,000= 504,576,000 pennies.
504,576,000÷58 (for the amount of gold) = 8699586.2069 grams
Then go on from there. Hope that helped!
Antacids neutralise the acid made by your stomach. They are commonly used in conditions where it is helpful to neutralise the acid made in the stomach. For example, for acid reflux which causes heartburn. Most people who take antacids do not develop any side-effects.
A substance that contains two or more kinds of atoms is a molecule.