Vocab
1. The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element
2. A tiny negatively charged particle that moves around the outside of the nucleus of an atom
1. ATOM
2. ELECTRON
1. An arrangement of the elements showing the repeating pattern of their properties
2. A one or two-letter representation of an element
1. PERIODIC TABLE
2. CHEMICAL SYMBOL
1. The gradual wearing away of a metal element due to a chemical reaction
2. An element in Group 1 of the periodic table
1. CORROSION
2. ALKALI METAL
1. The process in which radioactive elements beak down, releasing fast moving particles and energy.
2. A reaction involving the particles in the nucleus of an atom that can change one element into another
1. RADIOACTIVE DECAY
2. NUCLEAR REACTION
Spell these words...
ELECTRON
NEUTRON
PROTON
ISOTOPE
Did you spell them right?
ELECTRON
NEUTRON
PROTON
ISOTOPE
1. The central core of an atom which contains protons and neutrons
2. Small positively charged particles that are found in the nucleus of an atom
1. NUCLEUS
2. PROTON
1. A horizontal row of elements in the periodic table
2. Elements in the same vertical column of the periodic table (also known as families)
1. PERIOD
2. GROUP
1. An element in Group 2 of the periodic table
2. One of the elements in Groups 3 through 12 of the periodic table
1. ALKALINE EARTH METAL
2. TRANSITION METAL
1. The spontaneous emission of radiation by an unstable atomic nucleus
2. A particle given off during radioactive decay that consists of two protons and two neutrons
1. RADIOACTIVITY
2. ALPHA PARTICLE
Spell these words...
PERIODIC
SYMBOL
LUSTER
MALLEABLE
Did you spell them right?
PERIODIC
SYMBOL
LUSTER
MALLEABLE
1. A region of an atom in which electrons of the same energy are likely to be found.
2. A small particle in the nucleus of an atom with no electrical charge.
1. ENERGY LEVEL
2. NEUTRON
1. A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity
2. The way a mineral reflects light from the surface (Shininess)
1. METALS
2. LUSTER
1. An element that lacks most of the properties of metal
2. A molecule consisting of two atoms
1. NON METAL
2. DIATOMIC MOLECULE
1.The ability of an object to transfer heat
2. a fast moving electron that is giving off as a nuclear radiation
1. THERMAL CONDUCTIVITY
2. BETA PARTICLE
Spell these words...
DUCTILE
CONDUCTIVITY
REACTIVITY
CORROSION
Did you spell them right?
DUCTILE
CONDUCTIVITY
REACTIVITY
CORROSION
1. The number of protons found in the nucleus of an atom.
2. Am atom with the same number of protons and a different number of neutrons from other atoms of the same element.
1. ATOMIC NUMBER
2. ISOTOPE
2. A term used to describe material that can be pulled out into a long wire
1. MALLEABLE
2. DUCTILE
1. An element found in Group 17 on the periodic table
2. An element in Group 18 of the periodic table
1. HALOGEN
2. NOBLE GAS
1. Electromagnetic waves with the shortest wave lengths and highest frequencies
2. The time it takes for half of the atoms of a radioactive element to decay
1. GAMMA RAY
2. HALF-LIFE
Spell these words...
ALKALI
ALKALINE
DIATOMIC
NUCLEUS
Did you spell them right?
ALKALI
ALKALINE
DIATOMIC
NUCLEUS
1. The sum of protons and neutrons in the nucleus of an atom.
2. The average mass of all the isotopes of an element
1. MASS NUMBER
2. ATOMIC MASS
1. The ability of an object to carry electrical current
2. The ease and speed with which an element combines or reacts with other elements and compounds.
1. ELECTRICAL CONDUCTIVITY
2. REACTIVITY
1. An element that has some characteristics of both metals and non metals
2. A substance that can conduct electric current under some conditions
1. METALLOIDS
2. SEMI CONDUCTOR
1. The process of determining the age of an object using the half-life of one or more radioactive isotopes
2. A radioactive isotope that can be followed through the steps of a chemical reaction or industrial process.
1. RADIOACTIVE DATING
2. TRACER
Spell these words...
METALLOID
HALOGEN
RADIOACTIVITY
Did you spell them right?
METALLOID
HALOGEN
RADIOACTIVITY