States of Matter
This state of matter has a definite shape and volume.
What is a solid
The chemical name for symbol Ni.
What is Nickel
The number of atoms in NaCl
What is 2
2H2 + O2 -> 2H2O
(Synthesis, decomposition, single replacement, double replacement, combustion)
What is a synthesis reaction
In this reaction, a substance changes color and a burning smell is released. (Chemical or Physical)
What is a chemical reaction
The atomic number of Carbon.
What is 6
The number of atoms in MgSO4
What is 6
2Al2O3 -> 4Al + 3O2
(Synthesis, decomposition, single replacement, double replacement, combustion)
What is a decomposition reaction
In this reaction, there is a temperature decrease and a gas is produced. (Chemical or Physical)
What is a chemical reaction
The number of protons in Calcium.
What is 20
The number of atoms in C2H3O2
What is 7
CH4 + 2O2 -> CO2 + 2H2O + fire
(Synthesis, decomposition, single replacement, double replacement, combustion)
What is combustion
This is the state of matter in which molecules are the most dense.
What is a solid
List at least 3 indicators of a chemical change.
What are color change, odor, bubbling, the reaction is irreversible, temperature change (without cooling or heating), electrical energy is produced, etc.
The middle of the atom, composed of protons and neutrons.
What is the nucleus
The number of atoms in 2C6H12O6
What is 48
HCl + NaOH -> NaCl + H2O
(Synthesis, decomposition, single replacement, double replacement, combustion)
What is a double replacement reaction
This term describes a liquid whose viscosity changes when pressure is applied to it (example: oobleck).
What is a non-Newtonian fluid
DAILY DOUBLE (worth 1000 points!!)
Name one way to identify a colorless gas.
What is testing its flammability, smelling it, etc.
The subatomic particle that has a negative charge.
What is an electron
The number of atoms in 2Cu3(PO4)2
What is 26
Cl2 + 2NaBr -> 2NaCl + Br2
(Synthesis, decomposition, single replacement, double replacement, combustion)
What is a single replacement reaction