Chemistry Final

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26 terms

CaCl2

What is the formula for the compund formed by calcium ions and chloride ions

Isotopes

Atoms of the same element that have different masses are called

Cation

A positive ion is known as

Noble gases

Argon, krypton, adn xenon are

covalent bond

The chemical bod formed when two atoms share electrons is called

atomic number

All atoms of the same element have the same

Solid state

The state of matter in which a material has definate shape and definite volume is the the

Anion

A negative ion is known as

Mendeleev

The idea of arranging the elements in the periodic table according to their chemical and physical properties

Mass number

THe total number of protons and neutrons in the nucleus of an atom is its

Gaseous State

The state of matter in which a material has neither a definite shape nor a definite volume is the

Alkali Metals

THe elements in Group 1 are also known as the

Liquid state

THe state of matter in which a material has a definite volume but no definite shape is the

Valence electrons

The electrons available to be lost, gained, or shared when atoms form molecules are called

Non-numerical information

Qualitative observations are recorded using

Group

A vertical column of blocks in the periodic table is called

John Dalton

Who was the schoolmaster who studied chemistry and proposed an atomic theory

Numerical information

Quantitative obserations are recorded using

1 millimeter

A volume of 1 cubic centimeter is equivalent to

chemical bond

a mutual electrical attraction between the nuclei and valence electrons of differnet atoms that bind the atoms together is called

Period

A horizontal row of bloxks in teh periodic table is called

density

The quantity of matter per unit volume is

Fluorine

The element that has the greateset electronegativity is

Solid State

The state of matter in which particles are rigidly held in fixed positions is the

reactivity

One chemical property of matter is

lost, gained, or shared

When chemical compounds form, valence electrons are those that may be

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