23 Elements, Compounds & Mixtures Quiz Review '23

Smallest particle of an element that still has the properties of that element

Rules: The number of Neutrons equals the Mass minus the number of Protons N = M - P

For the element in the element Square, What is the element Symbol?

The name scientists give a substance.

What does square B show- an element compound or mixture?

For the element in the element Square, What is the Number of Neutrons?

In the electron Configuration diagram for Argon, how many Valence electrons does it have?

This tells you how many of each element are in a chemical formula.

For the element in the element Square, What is the element Name?

What is shown in box C?

A mixture like a salad

In a Mixture of Salt and Water, the Water is the

smallest unit of most compounds

A mixture can be separated by...

These can only be separated by chemical means.

combination of two or more substances that are physically combined and keep their properties, can separated physically

A mixture in which the composition is the same throughout

H₂O is an example of a...

A compound is formed when two or more different elements are joined together chemically.

Rules: The Atomic Number also equals the number of

What is shown in box B?

The name that gives you a sense of the use of a chemical.

For the element in the element Square, What is the Number of Valence electrons?

Which of the following only contains one type of atom?

A _____________ is a combination of two or more substances that are NOT chemically combined.

For the element in the element Square, What is the Atomic Number?

All compounds are made of molecules, but not all molecules are parts of compounds.

What is shown in box D?

For the element in the element Square, What is the Mass?

A mixture in which the composition is different throughout

What is shown in box A?

Rules: So, both the number of Protons, and Electrons are equal to the Atomic Number!

Which of the following is a chemical formula?

substance can't be broken down by physical means, A pure substance made of two or more elements chemically combined

The vertical columns on the periodic table are called...

Carbon Dioxide is an example of a ...

For the element in the element Square, What is the Family/Group?

Is square C showing an element, mixture or compound?

A mixture like a salt water

N, O, Cu, Na, F, He and Ar are all examples of...

A molecule is formed when two or more atoms join together Chemically.

chemical formula for water

Is square A showing an element, compound or mixture?

In a mixture, each substance keeps its own properties.

substance can't be broken down by physical means, into simpler substance. A pure substance made of one kind of atom

Smallest particle of a compound that still has the properties of that compound

The method used to separate mixtures by the size of their particles, like sand and shells at the beach. no phase changes

In a Mixture of Salt and Water, the Salt Water is the

H₂O is an example of a...

In the electron Configuration diagram for Argon, what family is it in?

Rules: The Atomic Number equals the number of

matter that always has same exact composition, can't be broken down by physical means includes elements and compounds