The meaning of the word atoms?
What is indivisible?
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?
Charge on a neutron.
What is zero (uncharged or neutral)?
The positively charged particle
What is a proton?
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?
Isotopes of the same element have different numbers of these.
What are neutrons?
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 number represents the number of protons and neutrons combined.
What is the mass number?
In an atom, these take up the empty space.
What are electrons?
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?
Mass of an electron
What is close to zero or practically nothing?
How do you spell the term for the centre of an atom?
Nucleus
These are the most reactive metals.
What are the Alkali metals (Group 1)?
What is the most reactive group of nonmetals?
Halogens/Group 17
The components included in an isotope symbol.
What are the atomic symbol, atomic number, net charge, and mass number?