Chemical Reactions
The smallest building block of matter
Atom
What is matter?
anything that takes up space
What gas did we figure out was coming out of the bath bombs?
Carbon Dioxide
Electrons have a _______ charge
negative
Two or more atoms combine or form a bond, they create a
Molecule
What is mass?
the amount of particles in an object of substance
What were two forms of energy we added to water in our last experiment?
heat and electricity
What is Ms. Rapoza's favorite color?
purple
A single type of atom is
An element
What is the law of conservation of mass?
matter cannot be created or destroyed only rearranged to form new substances
How many Hydrogen (H) atoms are there in this molecule?
3H2O
6
Neutrons have ________ charge
no charge
Atoms attract other atoms based on their
Charge (negative, positive, or no charge)
What does the small number at the top of an element in the periodic table stand for?
protons and electrons
When a chemical reaction happens what should the reaction start and end with?
The same number and type of atoms
Protons have a _______ charge
Name the two types of molecules we have talked about in class.
Elemental and Compound
What does the decimal at the bottom of an element on the periodic table stand for?
the elements mass
You can get NH4NO3 from NaHCO3 during a chemical reaction. True or False
False
Which of the following molecules can we make from this equation? 3NaCHO3 + C6H8O7 + 3H2O
-7H2O2
-Na3C6H5O7
-CO2
-Na3C6H5O7
-CO2