Periodic Table of Elements and Reactivity Vocabulary

Elements that are dull in appearance, poor conductors of heat and electricity; a chemical element lacking typical metallic properties.

• metalloid

• metal

• Halogens

• non-metal

rows of the periodic table

• group/family

• period

two or more atoms bonded together

• mixture

• element

• compound

• molecule

Tags

NGSS.MS-PS1-1

a pure substance made of only one kide of atom

• molecule

• element

• compound

• Halogens

A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity.

• mixture

• metal

• non-metal

• metalloid

An element that has some characteristics of metals and some characteristics of non-metals

• metalloid

• metals

• non-metals

• Halogens

Group 1 on the PTE. One valence electron that is easily removed to form a POSITIVE ION. Highly reactive and form stable compounds.

• Alkali metals

• Alkali Earth metals

• Halogens

• Noble gasses

Electrons on the outer most energy level of an atom.

• valence electron

• noble gasses

• electrons

• electron cloud

Non-metals, group 18, the most non-reactive elements.

• Halogens

• Noble gasses

• Alkali metals

• Alkali Earth metals

contains non metals, 7 valence electrons in it's outermost energy level. Very reactive. Group 17

• Noble Gasses

• Alkali Metals

• Halogens

• Alkali Earth Metals