Moles
This is a counting unit.
What is a mole?
The meaning of the word atoms?
What is indivisible?
Charge on a neutron.
What is zero (uncharged or neutral)?
This is how the atoms were arranged on the original periodic table.
What is in order of increasing atomic mass?
These two particles make up the net charge of an atom.
What are protons and electrons?
This particle is shown on the rings of the Bohr diagram.
What are electrons?
These are the usable units of the average atomic mass.
What are grams per mole?
The positively charged particle
What is a proton?
Mass of an electron
What is close to zero or practically nothing?
Elements in Group 17 (7A).
What are halogens?
This many electrons can the first two energy levels all together.
What is 10 electrons?
This many electrons are present in a neutral Rubidium atom.
What is 37?
This is the mass of one mole of a compound.
What is molar mass?
Isotopes of the same element have different numbers of these.
What are neutrons?
This number represents the number of protons and neutrons combined.
What is the mass number?
These are in the middle of the Periodic Table.
What are transition metals?
This is an atom that has gained electrons.
What is an anion?
This is how to draw the electron dot diagram for Phosphorus.
What is a capital P with two dots on one side and single dots on the other three sides?
These include hydrogen, oxygen, nitrogen, and fluorine.
What are diatomic elements?
In an atom, these take up the empty space.
What are electrons?
Trends of the characteristics of elements across the periodic table.
What is periodicity?
These are the most stable elements.
What are the Noble Gases (Group 18 or 8A)?
Lanthanum is located in this section of the Periodic Table.
What is the f-block or Lanthanide/Actinide Series?
The components included in an isotope symbol.
What are the atomic symbol, atomic number, net charge, and mass number?
This is Avogadro's number.
What is 6.022 x 10^23 per mol?
This showed that atoms are mostly empty space with a small, massive positively charged nucleus.
What is the gold foil experiment?
The kinds and number of atoms is the same but there is a different arrangement of the atoms.
What are structural isomers?
These are the most reactive metals.
What are the Alkali metals (Group 1)?
What is the most reactive group of nonmetals?
Halogens/Group 17
This writes out the full element name and the mass number.
What is isotope notation?