Periodic Table Organization

The _____________is the very small center of an atom

• nucleus
• core
• proton
• neutron

Each element consists of one or two letters known as the elements _________.

• name
• calling
• symbol
• letters

Atoms with the same number of protons and different numbers of neutrons are called ALLOYS

• True
• Truee
• False, ions
• False, isotopes

Nonmetals are found on the LEFT side of the periodic table

• True
• Truee
• False, Right
• False, bottom

The horizontal rows in the periodic table are known as GROUPS.

• True
• Truee
• False, periods
• False, columns

The modern periodic table is organized according to 

• atomic mass
• reactivity
• atomic number
• atomic weight

Fluorine, chlorine, bromine, and iodine are part of a family called

• noble gases
• metalloids
• halogens
• alkali metals

Which particles in atoms have a negative charge?

• electrons
• protons
• neutrons
• nuclei

Which group of elements have some properties of metals and some properties of nonmetals?

• noble gases
• metalloids
• halogens
• transition metals

What parts of the atom move around the nuclues

• atomic mass units
• electrons
• protons
• neutrons