Category: Chemistry
Dive Deeper What Is a Chemical Reaction? A chemical reaction happens when substances (called reactants) combine or break apart to form new substances (called products) with different properties. These …
What Are Ionic and Covalent Compounds? ✅ Answer: Ionic and covalent compounds are two types of chemical compounds based on how atoms bond together. In ionic compounds, atoms transfer …
What Is the Difference Between a Compound and Mixture? ✅ Answer: The difference between a compound and a mixture is that a compound is made of two or more …
What Is the Difference Between Molecules and Compounds? ✅ Answer: The difference between molecules and compounds is that a molecule is made of two or more atoms bonded together, …
What Is the Difference Between Atoms and Molecules? ✅ Answer: The difference between atoms and molecules is that atoms are the basic building blocks of matter, while molecules are …
What’s the Difference Between Elements and Compounds? ✅ Answer: The difference between elements and compounds is that elements are made of only one kind of atom, while compounds are …
Why Is Water Called the Universal Solvent? ✅ Answer: Water is called the universal solvent because it can dissolve more substances than any other liquid. This happens due to …
Why Does Water Have Surface Tension? ✅ Answer: Water has surface tension because water molecules stick to each other due to a special force called cohesion. At the surface, …
Why Does Ice Float on Water? ✅ Answer: Ice floats on water because it is less dense than liquid water. When water freezes, its molecules arrange in a way …
Does Water Expand When It Freezes? ✅ Answer: Yes, water expands when it freezes! Unlike most substances, water increases in volume as it turns from a liquid to a …
What Is the Boiling Point of Water? ✅ Answer: The boiling point of water is 100°C (212°F) at sea level. This is the temperature where water changes from a …
What’s the Difference Between Organic and Inorganic Compounds? Understanding the Chemistry That Divides Life and Non-Life Answer at a Glance: Organic compounds contain carbon atoms bonded with hydrogen and …
What Makes an Element Stable? Some elements stay calm for billions of years, while others fall apart in seconds. What makes one element stable and another one unstable? It …
What Makes an Element a Metal? Metals are everywhere—your bike, your coins, your phone, and even in your blood! But what actually makes an element a metal? Is it …
What Makes an Element Reactive? Why do some elements explode in water while others just sit there? Why is sodium dangerous but gold is safe to touch? The answer …
What Makes Up an Element? Every single thing around you—from your pencil to your lungs to the sun—is made of elements. But what exactly makes up an element? If …
What Makes an Element Soluble? When you mix salt into water, it disappears—but where does it go? The answer lies in solubility, the ability of a substance to dissolve …
What Are Mercury’s Unique Chemical Properties? Mercury is famous for being a liquid metal at room temperature—but that’s not its only surprising trait! Mercury also has some fascinating chemical …
What Is Mercury Used For Today? Mercury is one of the most unusual metals on Earth, best known for its shiny, liquid form at room temperature. Throughout history, mercury …
What Happens When Mercury Mixes With Other Elements? Mercury is a fascinating metal known for being liquid at room temperature. But have you ever wondered what happens when mercury …
