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periodic table
periodic table
69
Science
8th Grade
04/29/2013

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Cards

Term
Who is the name of the scientist who developed the periodic table and ordered the elements by atomic mass in a list pattern?
Definition
Dmetri Mendeleev
Term
Who is the scientist who arranged the periodic table in order of atomic number and this is the system we use today?
Definition
Mosely
Term
What is the smallest building block of all matter?
Definition
atom
Term
What kind of matter is a pure substance made of only one kind of atom?
Definition
elements
Term
Every element is made up of its own _____.
Definition
atoms
Term
What part of the atom is positively charged?
Definition
protons
Term
What part of the atom is negataively charged?
Definition
electron
Term
What part of the atom is neutral(no charge).
Definition
neutron
Term
Where are the protons found?
Definition
inside the nucleus of the ataom
Term
Where are the neutrons found?
Definition
inside the nucleus
Term
Where are the electrons found?
Definition
revolving around the nucleus
Term

11

Sodium

Na

22.9

 

What is the 11 in the element box.

Definition
atomic number
Term

11

Sodium

Na

22.9

 

What is the word sodium in the element box.

Definition
element name
Term

11

Sodium

Na

22.9

 

What are the letters Na in the element box.

Definition
chemical symbol
Term

11

Sodium

Na

22.9

 

What is the 22.9 in the element box.

Definition
atomic mass
Term

11

Sodium

Na

22.9

 

How many protons does the sodium atom have?

Definition
11(just look at atomic number)
Term

11

Sodium

Na

22.9

 

How many electrons does the sodium atom contain?

Definition
11(just look at atomic  number)
Term

11

Sodium

Na

22.9

 

How many neutrons does the sodium atom contain?

Definition
12(subtract atomic number from atomic mass)
Term
What is the word in every element box called?
Definition
element name
Term
What is the abbreviation of the element in every element box called?
Definition
chemical symbol
Term
What are the elements on the left side of the zig-zag line called?
Definition
metals
Term
What are the elements on the right hand side of the zig-zag line called?
Definition
nonmetals
Term
What are elements which touch the zig-zag line called?
Definition
metalloids
Term
Metals can be pounded into a flat shape or any other shape, which means they are _____.
Definition
malleable
Term
Metals can be made into long, thin wires. This is known as _____ property.
Definition
ductile
Term
Metals are very shiny which means they have _____.
Definition
luster
Term
Metals allow heat and electricity to go through them, which means they are good _____.
Definition
conductors
Term
Nonmetals will not allow heat or electricity to go through them, which means they are ____.
Definition
insulators
Term
What are the horizontal rows of elements called on the periodic table?
Definition
periods
Term
The period number on the periodic table refers to how many _____ each element's atom has.
Definition
electron shells
Term

Are elements in the same period

alike or different.

Definition
different
Term
What are the groups of vertical rows of elements called?
Definition
families
Term
Are elements in the same family alike or different?
Definition
alike
Term
What is family one called?
Definition
Alkali metals
Term
What is family two's name?
Definition
Alkaline Earth metals
Term
What is family seventeen'ss name?
Definition

Halogens

(salt makers)

Term
Family three - sixteen have a family name which is _____.
Definition
The same as the head or top of the family.
Term
What does the family number refer to?
Definition
The number of valence elecrons an atom contains
Term
What are the electrons in an atom's last electron shell called?
Definition
valence electrons
Term
How many valence electrons does the Alkali family have?
Definition
one
Term
How many valence electrons does the Alkaline Earth metal family have?
Definition
two
Term
How many valence electrons does family thirteen have?
Definition
three
Term
How many valence electrons does family fourteen have?
Definition
four
Term
How many valence electrons does family fifteen have?
Definition
five
Term
How many valence electrons does family sixteen have?
Definition
six
Term
How many valence electrons does the Halogen family have?
Definition
seven
Term
How many valence electrons does the Noble gases have?
Definition
eight
Term

All of the elements on the left hand side of the zig- zag line are metals except _____.

 

Definition
hydrogen
Term
All of the elements touching the zig-zag line are metalloids except?
Definition
aluminum
Term
All of the elements in the Noble gas family have eight valence electrons except _____.
Definition

helium

(only has two but its electron shell is still full)

Term
Electrons travel around the nucleus of the atom in orbits called _____.
Definition

shells or

clouds

Term
The first electron shell around the nucleus can hold how many revolving electrons?
Definition
2
Term
The second electron shell around the nucleus can hold how many revolving electrons?
Definition
8
Term
The third electron shell can hold a maximum of ___ electrons, but the only number of importance is _____.
Definition

18

8

Term
The two rows at the bottom of the periodic table are placed there for what purpose?
Definition
to save space
Term
What are the two rows at the bottom of the periodic table called?
Definition
inner transition metals
Term
What is the first row of inner transition metals called?
Definition
lanthanides
Term
What is the second row of inner transition metals called ?
Definition
actinides
Term
Atoms join together by using a chemical _____.
Definition
bond
Term
What type of bond do atoms use when one atom loses a electron and another atom takes the electron away?
Definition
ionic bond
Term
What is an atom with a charge?
Definition
ion
Term
If an atom loses an electron, it will be ___ charged.
Definition
positively
Term
If an atom gains an electron, it will be _____ charged.
Definition
negatively
Term
positive charged ions and negative charged ions will ____ each other.
Definition
attract
Term
Ions with the same charge will _____ each other.
Definition
repel
Term
NaCl uses a ____ bond to make salt.
Definition
ionic bond
Term
What type of chemical bond do atoms use to join together by sharing their valence electrons?
Definition
covalent bond
Term
The periodic table of element's are arranged in order by ____.
Definition
atomic number
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