Isotopes
This is the mass number of sulfur-32.
32
This is the term we use for horizontal rows on the periodic table.
Period
An ion and an atom of the same element have this in common.
Number of protons
This is the number of atoms in one mole.
6.02 x 10^23 atoms
This is the term we give to matter that is made of 2 or more substances physically combined.
Mixture
This is how the number of neutrons can be found for any atom.
Subtract the number of protons from the mass number.
Elements that are in the same ___ share similar properties
Group (also known as: column or family)
This is the mass of an electron.
This is the mass of one mole of a substance.
Molar mass
This is a type of matter whose chemical formula contains only one capital letter.
Element
This is the number of protons in an atom of rubidium.
37
This is the atom with the highest electronegativity.
Fluorine
This is the number of electrons that can be held by a p orbital.
2 electrons
These are the units of molar mass.
Grams per mole (g/mol)
Two colorless liquids are mixed and a violet solid forms.
This is an example of...
Chemical change
This is the unit we use for atomic mass.
Atomic mass units (amu)
This is the atom with the smallest atomic radius
Helium
This is the number of electrons that can be held by the second energy level of an atom.
8 electrons
This is the molar mass of sodium chloride (NaCl)
58.443 g/mol
Electrical conductivity can be observed without changing the substance.
Conductivity is an example of a...
Physical property
This is the number of neutrons in an atom of rubidium-85.
48 neutrons (mass number - # protons = 85-37)
Elements in this group are MOST likely to lose an electron.
Alkali metals
This is the number of valence electrons in a beryllium atom.
2 valence electrons
This is the number of atoms in 1.0 g of C.
5.016 x 10^22 atoms
When vinegar and baking soda are mixed, a chemical change occurs to form water, carbon dioxide, and a salt.
The reactants in this process are...
Vinegar and baking soda