Atoms
Elements
Nuclear Notation
Periodic Table
Trends on Periodic Table
100
This is a small particle that makes up all elements that exist on the earth
What is an atom
100
Made up of only one kind of atom
What is an element
100
This is the sum of the an atom's protons and neutrons
What is MASS NUMBER
100
These are found on the right side of the periodic table
What is metalloids and non metals
100
All elements in the same group of the periodic table have this in common _________ and all elements in the same period have this in common __________.
Number of valence electrons,
Number of electron shells
200
This is an uncharged particle in the nucleus of the atom.
What is a neutron
200
These are on the periodic table
What is an element
200
This is the number of protons in the nucleus of each atom of an element
What is ATOMIC NUMBER?
200
These are the vertical columns on the Periodic Table
What are Groups?
200
What happens to the atomic radius of elements as a group is descended?
What is INCREASE
300
These are atoms of the same element that have different numbers of neutrons.
What is an isotope
300
These are shiny, good conductors of heat and have luster
What is a metal
300
A nuclear notation is presented above. What is the significance of the numbers and letter presented?
N represents the chemical symbol of nitrogen
14 is the mass number that totals the protons and neutrons
7 is the atomic number showing the number of protons
300
The horizontal rows on the Periodic table are called ______________.
What are PERIODS?
300
Group 2 elements react with acids and oxygen at different rates - some reactions are faster than some, while some reactions are not possible with some elements. What generally happens to reactivity as Group 2 is descended?
What is INCREASE?
400
This is a positively charged particle in the nucleus of the atom
What is a proton
400
These are poor conductors of heat and electricity. They are dull in appearance
What is a non metal
400
How many neutrons are present in the hydrogen atom below?
What is ONE NEUTRON?
400
State the family name given to the following groups on the periodic Table.
Group 1
Grroup 2
Group 7
Group 0
Group 1 - alkali metals
Group 2 - alkaline earth metals
Group 7 - halogens
Group 0 - noble gases
400
Which group 7 element is most reactive?
Fluorine
Bromine
Chlorine
Iodine
Fluorine
500
This is a negatively charged subatomic particle
What is an electron
500
Elements that have characteristics of metals and non metals
What is a metalloid
500
A charged atom is presented below.
State the name of this type of charged particles and describe how the beryllium formed this charged particle
What is a CATION?
Beryllium forms a cation by losing 2 electrons from its valence shell.
500
An element has 16 electrons in total, state its electronic configuration and identify the group and period it belongs to on the periodic table.
Electronic Configuration: _____________?
Group #: ______________?
Period #: ______________?
Electronic Configuration: 2,8,6
Group #: Group 6
Period #: Period 3
500
TRUE OR FALSE
Group 2 elements react with dilute hydrochloric acid to produce metal chlorides and hydrogen gas.
What is TRUE?