Periodic Table 1
How many electrons can the first ring/orbital shell hold?
2
The transition metals can be found in which 'block'?
d-block
On a periodic table, what are rows also called...
periods
An atom’s mass number is 210 and its atomic number is 85. How many neutrons does the atom have?
125
What element is in the 7th group and 4th period?
Manganese
What main group of elements have solids, liquids and gases?
non-metals
The ability to be made into a thin sheet:
What is malleability?
What is mass number
Number of protons and neutrons
What element has the smallest atomic radius?
helium
What are 3 physical properties of metals?
luster, malleable, ductile, good conductors, donate electrons, high density, high melting point
What element was named for the creator of the periodic table?
101 - Mendelevium
Which noble gas is an exception to the group?
Helium
What is the name of the 3 main types of elements on the periodic table?
metals, non-metals, metalloids
What two elements are liquids at room temperature?
Mercury and Bromine
The staircase follows what group of elements down the periodic table?
metalloids
What are three physical properties of non-metals?
not shiny, not malleable (brittle), not ductile, poor conductors (good insulators), gain electrons, low density, low melting point
What element is located at the 6th period and 2nd group?
Barium
The ability to be made into a wire:
ductility
What are the elements from 89 -103 called?
Actinides
Larger atomic radius: Cl or Sn
Sn
Smaller atomic radius:Na or Zr
Na
What element is grouped with alkali metals even though it is not an alkali metal.
Hydrogen
What is the first element in period 3?
Sodium
What is the name of the group 2 family?
alkaline earth metals
The majority of the elements on the periodic table are classified as this:
metals
Argon belongs to what specially named group?
noble gases
Which family (name, not number) is the most reactive metals family with one valence electron?
Alkali Metals
Group 17 has a special name called...
Halogens
How many electrons does a neutral atom of iodine have?
53
Elements in red are in what state of matter?
gas