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Carbon dioxide is one of the most popular gases in science. We are so familiar with this gas. It’s used as a fire extinguisher, it’s used by plants for respiration, and as humans, we breathe out carbon dioxide. Now, if you take a moment to think about carbon dioxide, you probably are wondering what kind…

Hydrogen is a popular substance in chemistry. If you love chemistry, you probably are wondering, what kind of matter hydrogen is, right? Is hydrogen an element, compound, or mixture? Hydrogen (H) is an element with an atomic number 1. Hydrogen only consists of its own type of atom, without any addition of other elements. It’s…

If you love observing home hardware, you probably have stumbled upon the brass. It’s a pretty metal that is usually found in home decoration, screws, and electrical sockets. And if you love science, you probably are trying to find out: on which classification does brass belong? Is brass an element, compound, or mixture? Brass is…

Coffee is an amazing drink. It has caffeine in it that can help us ready for the day. But what kind of matter is coffee? Is coffee an element, compound, or mixture? Coffee is a mixture. It usually consists of hot water and the extract of ground roasted coffee beans. The water and the coffee…

Milk is a healthy drink that is probably almost always available inside every family’s fridge in the US, am I right? We are so familiar with milk. We can drink it as is, pour it into a bowl of cereal, or use it in baking. If you love science, you might be wondering what kind…

If you love chemistry, biology, or even just love listening to dairy commercials, you probably are familiar with the word ‘Calcium’. And now you might be wondering, what kind of matter is it actually, right? Is calcium an element, compound, or mixture? Calcium (Ca) is an element with an atomic number of 20. It purely…