States of Matter
What state of matter has a definite shape and volume?
A solid
Mr Armstrong loves to do this activity in the summer
Skateboard
What is a property?
A characteristic of a substance that does not change.
What are the reactants in this equation:
H2 + O2 --> 2H20
H2 and O2
What is the chemical name for symbol N?
Nitrogen
What state of matter has no shape or volume.
A gas
How many siblings does Mr. Armstrong have?
6
What do we use properties for?
To identify substances.
What are the products in this equation:
H2 + O2 <-- 2H20
H2 and O2
What is the chemical formula for water?
H2O
What is the phase change that occurs when a liquid becomes a solid?
Freezing
How many years has Mr. Armstrong been teaching?
7
Describe the solubility of oil in water.
Oil is insoluble in water, which means it does not dissolve.
Is this a correct chemical Equation? Is it balanced?
2H2 + O2 --> 2H2O
Yes
What elements are in this compound: C6H12O6
carbon, hydrogen, and oxygen
What is the state of matter in which molecules are the most dense?
A solid.
What is Mr. Armstrong's full name?
Ralph Noble Armstrong III
Put these substances in order based on viscosity. The substance with the least viscosity goes first.
Oil, honey, water.
Water, Oil, Honey
How many molecules of water does this reaction make?
4H2 + 2O2 --> ___ H2O
4
3H3O2
9 atoms.
List the 3 states of matter in order from the lowest to the highest energy level.
solid, liquid, gas, (and plasmsa)
What is Mr. Armstrong's spirit animal?
A sloth
Density describes a proportional relationship between mass and volume.
In a chemical reaction,
CaOH (calcium hydroxide) and CO2 (carbon dioxide) make CaCO4 (chalk) and H20 (water). Write the chemical equation.
CaOH + CO2 --> CaCO4 + H20
How many elements are there?
118 elements.