Periodic Table of Elements

Number of protons found in the nucleus of an atom

Elements in Group 18 are Noble Gasses, which are only VERY reactive with other chemical gases

Elements in the same group have similar

_____________ are elements that share SOME, but NOT ALL, the properties of metals

Elements in Group 3-12 are less reactive and harder metals that include metals used in jewelry, money, and construction

Periods are rows

Elements in Group 13 are metals, but Boron has properties of metals and non-metals

Elements in Group 1 (not including hydrogen) are VERY reactive metals and always combine with something else in nature

Number of electron shells with electrons is the same as the period (row) number

Periods are arranged vertically from 1-7

Atoms want to gain stability and will try to gain or lose electrons to have a __________ valence shell

__________ is a positively charged particle inside the nucleus

A property used to characterize materials in reactions that change their identity

A shell containing electrons that is __________ from the nucleus is called the valance shell

_____________ are Lustrous, Malleable, and are Good conductors of heat and electricity

Number of protons equals the number of electrons

Each element on the Periodic Table has an atomic number, symbol, name, and average atomic mass

Lustrous, Malleable, and a Good Conductor are physical properties of metals

Major categories of elements are the metals, non-metals, and metalloids

Each electron shell can hold a certain number of electrons going by

In the Periodic Table, Elements are substances that

____________ are elements that DO NOT share the same properties of metals

A characteristic of a substance that can be observed without changing the substance into something else

Element in Group 16 contains Oxygen, and many things that have a bad order contain Sulfur

Elements in Group 15 is the Nitrogen family, which makes up more than 3/4 of our atmosphere

The mass of an atom, including the protons, neutrons, and electrons

Elements in Group 14 contain elements important to life and computers

___________ smallest particle composed of protons, electrons, and neutrons

Electrons in the outermost electron shell are called ___________ electrons

___________ is a neutral particle inside the nucleus

Malleable means capable of being shaped, such as aluminum foil is shaped or molded around food items to keep them fresh

Periods are arranged ___________ from 1-7

Number of protons in the nucleus of an atom is equal to its atomic number

An element with a full valance shell is a happy element (a stable octet)

The red tip of matches are made of phosphorus

Groups are arranged ___________ from 1-18

An atom is made mostly of __________ __________

Lustrous means shiny or reflective of light, such as coins and jewelry

____________ is a negatively charged particle that orbits the nucleus

Atoms of the same element that have a differing number of neutrons but the same number of protons

Groups are arranged horizontally from 1-18

Elements in Group 17 are VERY reactive, diatomic non-metals combined with other elements in nature, such as chlorine

Elements in Group 2 are reactive metals that are combined with non-metals in nature

Periodic Table is the arrangement of chemical elements by increasing atomic number and similar properties

Groups are columns

Good Conductor allows electricity and heat to flow through, such as wires used for electrical devices made of copper

Number of protons and neutrons in a given element