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Section 1

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Ion

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Chemistry Science

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Date created

Mar 1, 2020

Cards (36)

Section 1

(36 cards)

Ion

Front

An atom or group of atoms that has a positive or negative charge.

Back

Weight

Front

the force of gravity on an object

Back

Electron Dot Structure

Front

diagrams that show valence electrons as dots

Back

valence Electrons

Front

Electrons on the outermost shell, outer energy level of an atom

Back

Metal

Front

Elements that are good conductors of heat and electric current.

Back

ionization Energy

Front

The amount of energy required to remove an electron from an atom

Back

Periodic Law

Front

the law that states that the repeating chemical and physical properties of elements change periodically with the atomic numbers of the elements

Back

DALTON'S ATOMIC THEORY

Front

1) elements are composed of atoms. 2) atoms of same element are identical, but differ from other elements. 3) elements can mix together 4) atoms only change when mixed with other elements

Back

Proton

Front

A subatomic particle that has a positive charge and that is found in the nucleus of an atom

Back

octet rule

Front

States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons

Back

Atomic Number

Front

the number of protons in the nucleus of an atom

Back

REPRESENTATIVE ELEMENT

Front

The Representative Elements are those elements within the first two families (Groups I and II on the far left) and the last six families or groups (on the right) of the Periodic Table.

Back

Chemistry

Front

the study of matter and how it changes

Back

Electron

Front

A subatomic particle that has a negative charge

Back

Alkali Metals

Front

any metal in Group 1A of the periodic table

Back

Transition Metals

Front

(3-12) elements that form a bridge between elements on the left and right sides of the periodic table

Back

Nobel Gases

Front

Atoms that have completely filled energy levels or that eight electrons in their outermost energy level - do not easily lose electrons. ( Group 8 or 18 )

Back

Halogens

Front

(Group 17) Contains nonmetals, 7 valence electrons in it's outermost energy level. Very reactive

Back

METALLOID

Front

an element that has properties of both metals and nonmetals

Back

Matter

Front

Anything that has mass and takes up space

Back

Electronegativity

Front

A measure of the ability of an atom in a chemical compound to attract electrons

Back

ALKALINE EARTH METAL

Front

an element in group 2 of the periodic table

Back

physical property

Front

a characteristic that can be observed or measured without changing the identity of the substance

Back

Nucleus

Front

Control center of the cell/ Center of the atom

Back

Mass

Front

the amount of matter in an object

Back

Isotope

Front

Atoms of the same element that have different numbers of neutrons

Back

LAW OF CONSERVATION OF MASS

Front

Matter is neither created nor destroyed

Back

Mass Number

Front

the total number of protons and neutrons in the nucleus of an atom

Back

NonMetal

Front

nonmetal is an element that doesn't have the characteristics of metal including: ability to conduct heat or electricity, luster, or flexibility.

Back

Atomic Mass

Front

Number of protons and neutrons

Back

chemical property

Front

a property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed

Back

Group

Front

Vertical column in the periodic table

Back

Neutron

Front

A small particle in the nucleus of the atom, with no electrical charge

Back

DENSITY

Front

mass/volume

Back

ATOMIC RADIUS

Front

size of an atom, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding shells of electrons

Back

Period

Front

horizontal row in the periodic table

Back