The Periodic Table Flashcards
The vertical columns in the periodic table are known as ____________.
Groups
What horizonal columns in the periodic table are known as ____________.
Periods
The periodic table is a table of all the known ____________.
Elements
What is an element?
An element is a substance made up of only one TYPE of atom.
Group 1 are also known as the _________ ________.
Alkali metals
What other name is given to the group 2 elements?
Alkaline earth metals
Which group are the Halogens?
Group 7
Group 0 are also known as the __________ ________.
Noble gases
Why are they called ‘noble gases’
Because these gases are very unreactive.
Describe the reactivity trend in the alkali metals.
The metals increase in reactivity going down the group.
Do metals conduct electricity?
Yes, metals are good conductors of electricity.
Which are more dense; metals or non metals?
Metals
Which property of metals means it makes a ringing sound when hit?
Sonorous
Complete the equation:
Metal + Water = __________ + ___________
Metal hydroxide + hydrogen gas
Complete the equation:
Sodium + Water = __________ + ___________
Sodium hydroxide + hydrogen gas
Complete the equation:
Lithium + Water = __________ + ___________
Lithium hydroxide + hydrogen gas
Which group is magnesium in?
Group 2 - alkaline earth metals
What is the chemical symbol for Boron?
B
What is the chemical symbol for Helium?
He
What is the chemical symbol for Chlorine?
Cl
What is the chemical symbol for potassium?
K
Which element has the symbol Cu?
Copper
Which element has the symbol Ca?
Calcium
Which element has the symbol Na?
Sodium
Which element has the symbol O?
Oxygen
In which group is Argon?
Group 0 (Noble gases)
What is the name of the positively charged particles in the nucleus of an atom?
Protons
What is the name of the neutrally charged particles in the nucleus of an atom?
Neutrons
Which particles orbit the nucleus of an atom in shells?
Electrons
What charge do electrons have?
They are negatively charged.
Describe the melting and boiling points of group 1 elements.
Group 1 elements have LOW melting and boiling points.
What property of metals allows them to bend without breaking?
Metals are malleable.
Describe the reaction between alkali metals are water.
Alkali metals react VIGOROUSLY with water.
Which halogen gas is the most reactive?
Fluroine
Describe the reactivity of halogens.
The halogens decrease in reactivity going down the group.
Complete the equation:
Metal + Halogen –> _________ __________
Metal halide
Complete the equation:
Sodium + Chlorine –> _________ __________
Sodium chloride
Complete the equation:
Potassium + Bromine –> _________ __________
Potassium Bromide
Name the first 3 elements of group 0
Helium, Neon, Argon
How may electrons does Lithium have in it’s outer shell?
1 electron (because it is in group 1).
How may electrons does chlorine have in it’s outer shell?
7 electrons (because it is in group 7).
