Matter & Chemistry Test 3 Review

Elements are considered what

Solids have what properties

Substances that undergo a physical change still are considered the same substance after the change

When elements are chemically combined, they form compounds with the same properties as their uncombined elements

Choose the chemical property

A(n) ______ is a group of 2+ atoms held together by chemical bonds

If we wanted to find the number of neutrons we would...

What are elements made of

What is the number of neutrons

Isotopes have the same number of what compared to their regular atom?

The change from liquid to solid is called

Viscosity measures what

The change from liquid to gas is called

If I wanted to test how Temperature affected how tall a sunflower plant grows, what goes on the X & Y axes?

_________ is the study of the properties of matter & how it changes

A ______ is made of 2+ elements in a fixed chemical ratio

The change from gas to solid is called

A mixture is

Atomic Mass =

Did energy get released or absorbed when we went from liquid to gas

______ states that matter cannot be created or destroyed, only transformed

What is the number of electrons

The following photo represents what

Did energy get released or absorbed when we went from solid to liquid

Who has a higher viscosity?

Burning wood is a chemical property

Looking at the periodic table, the rows are called groups and the columns are called periods

Liquids have what properties

Butter is what type of solid

Milk curdling (when milk goes bad) is what type of change

The nucleus of an atom is made up of protons & ______

The change from solid to gas is called

A _______ is a characteristic of a pure substance that can be observed without changes into another substance

What is the number of protons

Graphing: Time is always plotted on the x axis

How many molecules are in : 3H₂O

gases have what properties

Match the dependent and independent variables with the x and y axis