Atomic Theory (Obj 4-3a)

Front

The Law of Multiple Proportions states that ______.

Back

the elements in a compound combined together in a new ratio would create a substance with properties different from the original.

Front

Who claimed that matter was made of small, hard particles called 'atomos'?

Back

Democritus.

Front

If elements A & B are chemically bonded to form Substance C, Substance C must be ______.

Back

a compound.

Front

In water, there are 8.0g of oxygen for each 1.0g of hydrogen, whereas in hydrogen peroxide there are 16.0g of oxygen for each 1.0g of hydrogen. This is an example of the Law of ______.

Back

Multiple Proportions.

Front

The smallest particle of an element that retains the chemical properties of that element is called ___ .

Back

atom.

Front

What is the definition of an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What does the Law of Definite Proportions state?

Back

In a given compound, the relative number and kind of atoms are constant.

Front

Who is known as the father of modern chemistry?

Back

Antoine Lavoisier.

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded.