BONDING
IONIC BONDS
PERIODIC TABLE
METALS, NON-METALS, METALLOIDS
ELEMENT SYMBOLS
100
These are described as: loosely held by the nucleus transferred or shared in bonding from the outermost level.
What is valence electrons?
100
This type of ion is formed when an atom gains an electron.
What is a negative ion?
100
The Modern Periodic Table has the elements arranged in order by increasing _________ ____________.
What is atomic number
100
These elements are good conductors of heat and electricity, malleable and shiny, some are magnetic and are located to the left of the zigzag line.
What are metals?
100
H
What is Hydrogen
200
The number of these remains the same from top to bottom in a group in the periodic table.
What is valence electrons?
200
This type of ion is formed when an atom loses an electron.
What is a positive ion?
200
The modern periodic table is organized in horizontal rows called___________.
What are periods
200
These elements of the periodic table are located to the right of the zigzag line and are brittle, dull, and poor conductors of electricity.
What are non-metals?
200
Na
What is Sodium
300
Elements in Group 17, the halogen family, are very reactive because their atoms have this many valence electrons.
What is Seven?
300
The elements contain repeating patterns and are arranged in columns called __________. These columns contain elements with similar characteristics.
What are groups or families?
300
These elements share common characteristics of both metals and non-metals and are found bordering the zigzag line with aluminum being the exception.
What are metalloids?
300
O
What is Oxygen
400
Most atoms become less reactive after a change to a total number of this many valence electrons. An example is Argon.
What is eight?
400
This region is where the valence electrons are orbiting in.
What is an electron cloud?
400
The elements are listed in the Periodic Table by chemical __________ which contains either one or two letters.
What are symbols
400
These are on the left side, lose electrons and form positive ions.
What are metals
400
Mg
What is Magnesium
500
An atom changes to this when the electron is either lost or gained.
What is an ion.
500
Atoms of an element with different numbers of neutrons are called ___________ of the element.
What are isotopes
500
This is determined from the combined atomic mass percentages of all of the isotopes of an element.
What is the average atomic mass?
500
These are on the right side, gain electrons and form negative ions.
What are non-metals
500
The correct formation to write a two letter chemical symbol is_______letter first and _______letter next.
What is capital;lowercase
M
e
n
u