The pH of water
What is 7?
The shape of an atom.
What is a sphere?
The gas that causes dough to rise.
What is CO2?
This state of matter has a definite volume and a definite shape
There are many signs that indicate that a chemical process has happened. Name two of these signs.
- Formations of a precipitate
- Production of an Odor
- Change in Color
- Formation of a Gas
- Change in temperature
- Light
The typical range of the pH scale
What is 0-14?
Through an experiment that involved shooting an alpha particle at gold foil, this scientist that discovered the proton.
Who is Earnest Rutherford?
The tip of a pencil, made of graphite, creates a visible stroke when this element is rubbed off the tip.
What is Carbon?
Two atoms that have different numbers of neutrons
What are isotopes?
A reaction that releases heat.
What is an exothermic reaction?
The pH of a substance below 7 is _____, while the pH of a substance above 7 is _____.
What is acidic, basic?
This scientist was responsible for creating the plum-pudding model.
Who was J.J. Thompson?
Before scientists realised its hazards to humans and the environment, thermometers measured temperature with this element.
What is Mercury?
The transition of a gas back into a liquid.
What is condensation?
Two products of hydrogen peroxide decomposing?
What is water and oxygen?
At 25 degrees celsius, the [H+] and [OH-] are equal at this pH.
What is 7?
During Robert Millikan's oil drop experiment, he discovered this.
What is the charge of an electron?
This ion is light blue in aqueous solutions.
What is Coppper II?
The number of mL in 1 cm3.
What is 1?
The catastrophic result of when cesium is placed in water.
What is an explosion?
The function of a pH buffer in a solution.
What is resisting change in pH?
The scientist that discovered the neutron.
Who is James Chadwick?
The chemical formula of laughing gas?
What is Nitrous Oxide (N2O)?
The number of atoms in one mole.
What is Avogadro's Number? (6.022*1023 particles per mole)
The chemical reaction that is constantly happening at the sun to create light.
What is Nuclear Fusion?