Substances
What is the difference between substances represented by CO and Co?
CO, C is the symbol for Carbon and O is the symbol for Oxygen, 2 different substances.
Co is the symbol for Cobalt.
What is the Symbol for Hydrogen?
H
True or False.
An element can be broken down into simpler substances.
False, it is the most fundamental substance.
What is the unit used to measure length?
A meter
Define volume.
The amount of space something takes up.
Name the elements is these formulas.
NaCl
H2O
CO2
Sodium & Chloride
Hydrogen & Oxygen
Carbon & Oxygen
What is the common name for NaCl?
Salt
Fill in.
Elements are the building block of ______.
matter
What is the unit used to measure liquid?
A liter
Define mass.
The amount of matter in an object.
How can you tell if a chemical reaction has occurred?
Give 3 observations.
Temperature change
Bubbling or fizzing
Color change
What is the chemical name for CaCO3?
Calcium Carbonate
Why do element tiles have similar colors?
Because they share similar properties.
How many cm3 in one ml?
1 ml = 1 cm3 cc.
What is the difference between mass and weight?
Mass is the amount of matter in something and weight is determined by gravity.
Explain how only 90 elements can make up all substances on Earth.
All substances are made from elements. Elements can combine with each other to form all the different substances in the world. Every substance is a unique combination of elements.
Examples are: CO2, H2O, C6H12O6, CO etc.
How many elements are in NaHCO3?
4
Are all elements in the same state?
No, there are solids, liquids and gases.
When do you use this label, gm/cm3?
You use it to describe density.
Use chemical formula and chemical name in a sentence.
Take any sentence that makes sense.
What happen to the gas in bubbles in a chemical reaction?
It goes into the atmosphere.
What are some physical properties of the Mystery Mixture?
White color, powdery, crystals
What does substance does BaCON represent?
Delicious meat from a pig.
How many mm in a meter?
1000
What is the Periodic Table of Elements?
An organization of the elements based on chemical properties