Do You Know Basic Chemistry Vocabulary?

By: Annette

What is matter with a fixed composition?

Any matter with a fixed composition is known as a substance. Chemistry deals with different kinds of substances.

What is a mixture where different materials can be distinguished?

A heterogeneous mixture is one in which various materials can be detected. A homogenous mixture contains two or more substances that are blended evenly.

A solution is a homogenous mixture with _____ particles.

A solution has particles that are so small that you can't even see them under a microscope. Solutions are often used in basic and complex chemistry.

A colloid mixture has particles that are ______ than a solution.

A colloid mixture has particles that are larger than a solution, but not big enough to settle out. Light scattered by colloidal particles is known​ as the Tyndall Effect.

What is a change in shape, size or state?

A physical change is a change in things that we can see, such as size, shape and state. People go through physical changes!

What is the change from one substance to another?

A chemical change is the simple change from one substance to another. The study of chemistry is the study of changes.

Kinetic theory is the explanation of how particles of ______ behave.

Kinetic theory is the explanation of how particles of matter behave. There are many different ways in which these particles can move and interact.

What is the point in temperature where a solid starts to liquify?

The melting point is the temperature at which a solid will begin to melt or liquify. Different solids have different melting points. You can observe the melting point when you witness ice beginning to thaw.

Heat of vaporization is the energy needed for liquid to become what?

Heat of vaporization refers to the amount of energy needed for a liquid to become a gas. A liquid becomes a gas through evaporation.

Viscosity is the resistance to _____ by a fluid.

A fluid with high viscosity won't move very fast. That's because it has a resistance to flow. Gravy often has a high viscosity.

What is used to measure pressure?

The pascal is a measurement of pressure. it was defined by French mathematician Blaise Pascal.

What is the center of an atom?

The nucleus is the center of an atom. Protons are particles in the atom with a positive charge.

Do neutrons in an atom have a charge?

Unlike protons, the neutrons in an atom have no charge. Electrons, however, have a negative charge.

What are the smaller particles in neutrons and protons?

Quarks are the smaller particles within the neutrons and protons. Quarks can be a little quarky!

Electrons in an atom reside where?

The electron cloud is where you'll find the electrons in an atom. The election cloud is an area that is around the nucleus.

What is the name of the table with elements?

The periodic table shows all the elements in order of atomic number. This table is indispensable in the study of chemistry.

The atomic number is the number of _____ in an atom.

The atomic number is the number of protons in an atom. The atomic number determines where the element is placed on the periodic table.

The mass number is the sum of protons and _______.

The mass number is the sum of the number of protons and neutrons in the nucleus of an atom. Electrons don't matter!

What do you call atoms of the same element that have different numbers of neutrons?

Isotopes are atoms of the same element that have different numbers of neutrons. Isotopes can be seen on the periodic table.

What are the horizontal rows of elements?

The horizontal rows of elements are known as periods. There are various periods on the periodic table.

Which is a good conductor of heat and electricity?

Metals are defined by their ability to conduct heat and electricity in a powerful manner. That's why we cook with metals!

If something can be hammered without breaking, then it is what?

Something that can be hammered into a different shape is malleable. For instance, tin is quite malleable.

The force that holds atoms together in a compound is known as what?

A chemical bond is a force that holds atoms together in a compound. An ionic bond is an attraction between opposite charges.

A covalent bond is formed when elements share which of these?

A covalent bond is created when elements share electrons. Sharing electrons creates attraction between elements.

Electron sharing can result in a _________.

A molecule is formed when different atoms share electrons. This is done through a covalent bond.

If all the atoms of a substance are the same, it's called what?

An element is composed of atoms that are all the same. The foundation of chemistry is the interaction of these elements.

When two or more elements are combined, you get what?

A compound is formed when the atoms of two or more elements are combined. All elements interact differently with one another.

What do you call a mixture where visible particles have settled?

A heterogeneous mixture with liquid and visible particles that have settled is known as a suspension. It's like a fly sinking to the bottom of your water glass!

What do you call the separation​ of substances using evaporation?

Distillation is the process by which substances are separated by evaporating the liquid. The vapor is then re-condensed.

Whether a substance can undergo chemical change is governed​ by its ________ ?

The chemical property determines whether or not a substance can undergo chemical change. Basically, it's the governing characteristic of the substance.

What is the energy required to change a substance from a solid to a liquid?

The heat of fusion is the energy required to change a substance from a solid to a liquid. This happens at the melting point.

What is the temperature at which liquid starts to boil?

Simply put: the point at which liquid starts to boil is the boiling point. This is expressed as a certain temperature.

What do you call the ability of a fluid to exert upward force on an object?

Buoyancy is the ability of fluid to exert an upward force on an object. This is when the object is submerged in the fluid.

______ is defined as the force exerted per area.

Pressure is defined as the force exerted per area. This pressure can be represented as a formula.

What do you call the vertical columns in the periodic table?

The vertical columns in the periodic table are known as groups. Each element in a group has the same number of electrons in the outer orbit.

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About This Quiz

Chemistry may seem complicated, but it's actually the simple order of our natural world! Knowing the basics of chemistry starts with knowing the essential phrases and vocabulary. In this quiz, we'll test your knowledge and expand your horizons.

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