Parts of the Atom
Atomic scientists
What are they?
Periodic table element lables
Numbers
Name that group
M, MT or MN
Groups
Periodic Table Miscellaneous
Cation or Anion
100
The first blue line points to _______________?
What is an ELECTRON.
100
John Dalton is the person who is best known for creating modern atomic theory. True or False
What is true?
100
Positviely charged atomic particles found in the nucleus of an atom.
What are protons?
100
What decides the atomic number of an element?
How many Protons an element has in the nucleus is the atomic number of an element.
100
Use your periodic table. What is the mass number of Mg (magnesium)?
The mass number of Mg is 24.31.
100
What is the name for the elements found in group 18 on the periodic table?
The noble gases
100
Boron
Metalloid MT
100
a metal that can be hammered into a different shape is called ____________?
Malleable
100
How are atoms aranged on the periodic table?
Elements are arranged in order of increasing atomic number.
100
Does a cation lose or gain electrons?
Cations lose electrons. (remember:The cat runs away, so it loses electrons)
200
The 4th (fourth) blue line points to _____________?
What is a proton?
200
The man resonsible for discovering electrons was J.J. Thompson or Neils Bohr?
Who is J.J. Thompson
200
Particles that have no electric charge and that are found in the nucleus.
What are neutrons
200
How do we find the Mass number of any given atom?
The mass number can be found by adding the number of Protons and Neutrons together.
200
What is the atomic number of Al (aluminum)?
The atomic number of aluminium is 13.
200
What is the name for the elements found in group 2 of the periodic table?
Group 2 are called the alkaline metals
200
Zinc
What is a metal M
200
A metal that can be stretched into a thin wire like the picture of the copper wire below is called _____________?
Ductile
200
Which group of metal are the most reactive?
Alkali metals
200
Do anion lose or gain ions?
Anions take on more electrons. They gain electrons to become anions
300
The 3rd (third) blue line points to ___________?
What is a neutron?
300
True or False, Rutherford discovered postive protons in a nucleus.
What is true.
300
Negatively charged particles found in the electron cloud.
What are electrons
300
What are atoms of the same element that have a different number of neutrons called?
Isotopes
300
True or false. The element name can be found under the Chemical Symboland above the Mass number
True.
300
What is the name for the elements in group 17 on the periodic table?
They are called the Halogens.
300
PB (Lead)
M-Metal
300
Is Iodine more like Fluorine or most like Xenon?
Fluorine because they belong to the same family. They have similar properties.
300
Which group of gases is the most reactive?
The Halogens.
300
Do cations have a positive or negative charge?
They have a positive charge
400
The 5th (fifth) blue line points to ________?
What is the nucleus?
400
Niels Bohr observed the nucleus is surrounded by electrons. Current atomic theory say these electrons can be found where?
What is the electron cloud
400
Electrons found in the outermost orbit of the electron cloud.
What are the valance electrons.
400
True or False. All substances are made up of atoms?
What is true!
400
The atomic mass number for aluminium is 26.90. What number do we round this number to?
We round it up to 30 because the first number after the decimal point is above 5.
400
With the exception of Hydogen, Group one elements are called _____________________?
What are the alkalis
400
What is Germanium?
What is a metalloid.
400
Is sulfur more like Phosphorous or more like Oxygen?
Oxygen because it is in the same family and they have similar properities.
400
Which group of gases are the least reactive?
Group 18 --the Noble gases.
400
Do anions have a positive or negative charge?
They have a negative charge
500
The second blue line point to __________?
What is the electron cloud?
500
Who is the scientist that discovered neutrons?
James Chadwick.
500
How many electrons are in the first 3 shells?
What are 2, 8, 8
500
True or False For any given element, A-P-E means the atomic number, the number of protons, and the number of electrons are all the same?
What is true.
500
The chemical symbol of any given element always has how many capital letters?
One (1)
500
What do we call elements 3-12?
We call them the Transition Metals
500
What is hydrogen?
What is an non-metal
500
What is the name for the 2 rows found at the bottom of the periodic table?
Lanthanides and Actinides
500
In our book, on page 115, you can find our periodic table. What are the elements colored orange called?
Metalloids
500
Items with the same number of protons but different number of neutrons are called iso______?
Isotropes