Protons: a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal to magnitude to that of an electron, but opposite sign.
Define Protons
100
Element abbreviations
What is symbols?
100
the state or quality of shining by reflecting light
What is luster?
100
a solid is the temperature at which it changes state from solid to liquid at atmospheric pressure.
What is melting point?
100
The relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound.
What is reactivity?
200
Atomic mass equals the number of electrons and protons in an element.
Atomic mass equals to what?
200
measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding cloud of electrons.
What is atomic radius
200
easily set on fire
What is flammability?
200
chemical reaction that results in an equilibrium mixture of reactants and products.
What is reversibility?
200
Energy Required to remove on electron from an atom.
What is Ionization Energy ?
300
A stable substance particle with a charge of negative electricity,found in all atoms, and acting as the primary carrier, of electricity in solids.
What is electron?
300
a column of elements in the periodic table of the chemical elements
What is group (family)
300
calculating density
What is D=m/v
300
a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes
What is boiling point?
300
They are the arising from the arrangements of the periodic table. to proved chemist with Invaluable tool to quickly predict an element properties.
Describe the periodic Table tends ?
400
To find the number of electrons you must look the number of protons, and they should be equal.
How do you find the number of electrons?
400
the simplest form of matter in that it cannot be further broken down using any chemical means.
What is element?
400
measure of the acidity or basicity of an aqueous solution.
What is pH?
400
solid material's ability to deform under tensile stress;
What is ductility?
400
electronegativity can be understood as a chemical property describing an atoms ability to attract & bind with electrons.
Describe Electronegativity ?
500
The number of electrons in Hydrogen is 1.
What is the number of electrons in Hydrogen?
500
Silver's element symbol
What is Ag?
500
mass of an atomic particle, sub-atomic particle, or molecule.
What is atomic mass?
500
a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance:
What is chemical change?
500
The periodic Trends are
Atomic Number
Atomic Mass
Atomic Radius
Ionization energy
Electron Affinities
Electronegativity