The Periodic Table
The atomic number of an atom is defined as the number of this subatomic particle in the atom’s nucleus.
What is a proton?
Litmus paper turns red in this type of substance.
What is an acid?
This SI unit is commonly used to measure force.
What is a Newton?
This element is added to drinking water to help prevent tooth decay.
What is fluoride?
OR
What is fluorine?
When iron is left outside and reacts with oxygen and water, it forms this reddish-brown substance as part of a chemical reaction known as _______.
What is rusting?
These elements, found in Group 18, are colorless, odorless, and almost never react.
What are the noble gases?
This liquid, with a neutral pH of 7, is neither acidic nor basic.
What is water?
This SI unit is commonly used to measure energy.
What is a Joule?
This noble gas is used in signs to make bright lights, often seen in advertising.
What is neon?
In a chemical reaction, the initial substances are known as ______.
What are reactants?
The tendency of an atom to attract electrons in a bond is called this.
What is electronegativity?
Acids contain this ion, which gives them their acidic properties.
What is the hydrogen ion (H⁺)?
This SI unit is used to measure electric charge.
What is a Coulomb?
This household chemical, with the formula H₂O₂, can be used to disinfect wounds amongst other things.
What is hydrogen peroxide?
In this type of chemical reaction, two or more substances are combined to form one new compound.
What is a synthesis reaction?
What is a combination reaction?
What is a addition reaction?
What is a composition reaction?
Elements in these series have electrons in the f-orbital.
What are the lanthanide and actinide series?
pH is defined as the negative logarithm of ____.
What is the concentration of hydrogen ions?
Atomic mass is commonly measured using this unit.
What is the unified atomic mass unit (u)?
OR
What is a Dalton (Da)?
This polymer, often used in packaging and bottles, is a major source of plastic waste.
What is polyethylene?
In a redox reaction, the substance that loses electrons is said to undergo this process.
What is oxidation?
This principle helps determine the order in which an atom's orbitals will be filled with electrons.
What is the Aufbau principle?
Substances like H₂O that can act as both acids and bases and are commonly called this.
What is an amphoteric substance?
One unified atomic mass unit (u) or one Dalton (Da) is defined as 1/12 the mass of a neutral atom of _____.
What is carbon-12?
This industrial process removes sulfur from petroleum products to reduce air pollution caused by burning fuels.
What is hydrodesulfurization?
This is the term for the minimum energy required for a chemical reaction to occur, often represented as a peak in an energy diagram.
What is activation energy?