8th Grade Chemistry Test Review

These properties can be observed without changing the identity of the substance.

Name these in order from left to right.

This picture is an example of which type of substance?

What is this elements name?

These properties can NOT be observed without changing the identity of the substance.

Which of the following has properties of both metals and nonmetals?

Vertical columns on the periodic table are called

When any two atoms are bonded together, it is called a(n)

What do we call substances that are physically in the same area but keep their own properties?

Horizontal rows on the periodic table are called

When two atoms of the SAME element are bonded together it, we call it a(n)

What is this elements atomic number?

Lightning and fire are examples of

A substance that has no volume or shape of its own.

On the periodic table, the elements are organized by

This photo represents which substance?

Which is it?

Which of the following is often shiny and a good conductor electricity?

Particles of a substance are close together, but can move; it takes the shape of its container

This picture represents which substance?

The periodic table is organized by

In this picture, the gray spheres represent

The particles of a substance are in fixed positions and the substance keeps its own shape.

What is a pure substance that is found on the Periodic Table?

When two atoms of different elements are bonded together, it makes a(n)

What is this elements symbol?

This represents an element

Which is it?

What did Dmitri Mendeleev do?

Which of the following substances includes only TWO elements?

Which of the following substances is an element?

Which of the following is usually a bad conductor of electricity?

How many Hydrogen atoms are in the compound H₂O?

In this picture, the red and blue spheres represent

Matter is anything that

What is the center of an atom called?

Which is NOT one of the three main categories of elements?

What does the atomic number always equal?

Which of the following substances is NOT a compound?

Which of the following represent compounds