What am I
Gold
Au
What is an element?
A chemical having the color red
What is a physical property
A change that can be reversed (you can go back to the original substances)
What is a physical change
What is the atom?
This state has a definite shape and volume
What is a solid?
Table Salt
NaCl
What is a compound?
Sodium reacts violently with water
What is a chemical property
A reaction in which the products cannot be reversed. Once it happens you get a new material
What is a chemical change?
The smallest chemically reactive fundamental unit of a compound or substance.
What is a molecule?
These 2 states do not have a definite volume or a definite shape?
What are plasma and gas?
Water
H2O
What is a compound?
Sulfur-Dioxide smells like rotten eggs
What is a physical property?
This type of change occurs when wood is burnt.
What is a chemical change
A block of wood has a mass of 32g and a volume of 64cm3. The density of the block is?
What is 0.5 g/cm3
This state has a definite volume, but no definite shape
What is a liquid?
Chicken noodle soup
What is a heterogenous mixture
Iron has a melting point of 2800 degrees Fahrenheit
What is a physical property?
This is the change that occurs when I dissolve salt into water
What is a physical change
Pure gold has a density of 19.3g/cm3. If I have a block of gold that has a volume of 10cm3. How much mass of gold do I have?
What is 193g of gold?
This state has the slowest vibrating particles. (they vibrate around a fixed point)
What is a solid?
Salt Water
NaCl + H2O
What is a Homogenous Mixture
2 cubes are exactly the same size. One of the cubes floats in water and the other sinks. What causes this to happen, and is this a physical or chemical property?
What is density... A physical property
This is the change that occurs when a piece of iron is exposed to water (or other substances) over long periods of time and begins to rust
What is a chemical change? (Iron turns into Iron-oxide)
Sulfur has a density of 2g/cm3. There is a mass of 50g of sulfur present on a table. How much volume does the sulfur take up?
what is 25cm3.
This state has the fastest moving particles (Most energy)
What is plasma?