Subatomic particle that tells us the identity of an atom
proton
Heaviest element on the periodic table
Oganesson (Og)
pH of an acid
less than 7
Lightest element on the periodic table
Hydrogen
An ion has a different _____ from a neutral atom
charge
Boron, Silicon, Germanium, Arsenic, Antimony, Tellurium
One trait of a strong base
dissociate fully or conduct electricity
KOH dissociates into _____ and _____
K+ and OH-
Electrons of an atom are found in the _______ ______
Number of protons in a chlorine atom
17
One common item that is basic
blood, baking soda, ammonia, soap, bleach, drain cleaner, etc
pH stands for ____________
potential of hydrogen OR power of hydrogen
Electron clouds have many shapes. These shapes are called _______
orbitals
Element where the table "splits" (aka where the lanthanide series begins)
Barium
Acids accept which kind of ion?
Hydrogen ion (H+)
One chemical example of a strong acid and one chemical example of a strong base
acid: HCl, HNO₃, HClO₄
base: NaOH, KOH, Ca(OH)2
An isotope has a different _______ than a neutral atom
mass
The first lanthanide has an atomic mass of _____
140.12 g/mol
Process or experiment that chemists use to determine the pH of an unknown acid or base
Titration
The modern periodic table was developed by ______ _______
Henry Moseley