Chemistry Test Prep Ch.1-3

The separation of a mixture in which the components move at different rates, usually used in the components of an ink

Physical properities are___________.

What is the definition of an atom?

Properties of a substance that describe how the substance chemical composition will change given a set of conditions is

What is a derived unit?

When atoms gain electrons_________.

A substance or material is called_________.

What is the definition of mass?

What is density?

Atoms with the same number of protons, but different number of neutrons.

What law states that a given compound always have the same elements in the same proportions?

Which substance requires a chemical process to separate?

An example of a compound is______.

What are the three types of heat transfer?

Volume is also known as_____________.

Centrifugation is __________.

How many significant digits are in 200.?

The mechanical or physical separation of a mixture based on the size of the particles in that mixture is called________.

Impure substances are all kind of mixtures.

What is the mass of a book with a density of 55 g/cm³ and a volume of 16 cm³?

The nucleus has ____________.

Molecules are __________.

Each element is made of tiny particles called____________.

In a open system, matter and energy can flow into or out of the system.

The SI unit for mass is k, kilogram.

Mixtures are two or more substances joined together chemically.

Ions don't have a charge.

Elements and compounds are pure substances.

Chemical changes are reversible.

What is Chemistry?

This process is used to separate a soluble solid from its solution by heating all the water up, leaving the solid.

What is the density of a book with a mass of 77g and a volume of 20 cm³?

What is the volume of a book with a mass of 78 g and a density of 23 g/cm³?

In a process, matter is not created or destroyed.

What is the SI unit for length?

An atom is _____.

In any process, energy is neither created or destroyed.

Cubic meter is the SI unit for volume.

An atom or group of atoms that has lost or gained elctrons are called__________.

Decanation is the careful pouring of a liquid from a mixture containing both a liquid and a solid.

Matter has mass and takes up space.

In a closed system____.

Significant digits are __________.

Convert 3.05 mL to L

What is the type of mixture which you can see the different substances?

What is an element?

What is the definition of energy?

Process of separating a mixture of two or more liquids basaed on boiling point of the liquids in the mixture.

A process in which magnectically substance is extracted from a mixture using a magnet is called___.

What is the scientific notation of of 760,800?

In physical changes, new matter is formed.

What are the three main types of energy?

This process is similar to evaporation, except you don't heat the water completely, as it cools, your solid forms.

Compounds are made of 2 or more elements/atoms.

Atoms of the same element with same protons but different masses are called__________.

Properties that describe the physical characteristics of a substance and not how the substance behaves chemically is ___

Kinetic energy is the energy of motion.

Atomic number is also known as ______.