H and He are in the same family of the periodic table.
Respuesta
True
False
Pregunta 2
Pregunta
Select from the list below, the elements that can be found in the Alkali metal family.
Respuesta
Hydrogen
Lithium
Magnesium
Potassium
Francium
Calcium
Pregunta 3
Pregunta
Which of the following elements is a member of the Halogens and can be found in the 3rd period?
Respuesta
Chlorine
Fluorine
Iodine
Bromine
Pregunta 4
Pregunta
Select from the drop down menus which family is best associated with each of the following characteristics.
They have 7 valence electrons: [blank_start]Halogens[blank_end]
They must be stored in oil due to their high reactivity: [blank_start]Alkali Metals[blank_end]
They are found in the second column of the periodic table: [blank_start]Aklaine Earth Metals[blank_end]
They do not react: [blank_start]Noble gases (Inert gases)[blank_end]
Respuesta
Halogens
Alkali Metals
Alkaline Earth Metals
Noble gases (Inert gases)
Alkali Metals
Noble gases (Inert gases)
Alkaline Earth Metals
Halogens
Akaline Earth Metals
Noble gases (Inert gases)
Alkali Metals
Halogens
Noble gases (Inert gases)
Akaline Earth Metals
Alkali Metals
Halogens
Pregunta 5
Pregunta
Give the number of valence electrons for each of the vamilies in the space provided.
Alkali Metals have [blank_start]1[blank_end] valence electron
Alkaline Earth Metals have [blank_start]2[blank_end] valence electrons
Halogens have [blank_start]7[blank_end] valence electrons
Noble gases have [blank_start]8[blank_end] valence electrons except Helium which only has [blank_start]2[blank_end] valence electrons
Respuesta
1
2
7
8
2
Pregunta 6
Pregunta
Associate the elements below with their families.
Alkali Metals: [blank_start]Rb[blank_end] and Li
Alkaline Earth Metals: Be and [blank_start]Ba[blank_end]
Halogens: [blank_start]I[blank_end] and Cl
Noble Gases: [blank_start]Ne[blank_end] and Ar
Respuesta
Rb
Ba
I
Ne
H
Pregunta 7
Pregunta
Which of the following element is an Alkali Metal in the 3rd period of the periodic table.
Respuesta
Li
Na
K
Rb
Pregunta 8
Pregunta
Which of the following statements is true about the families of the periodic table?
Respuesta
All the elements in a family have the same number of protons
All the elements in a family have the same number of electrons
All the elements in a family have the same number of electron shells
All the elements in a family have the same number of valence electrons
Pregunta 9
Pregunta
The alkali metals can be found in their elemental state in nature.
Respuesta
True
False
Pregunta 10
Pregunta
The characteristics of an elements are provided below. To which family does thsi element belong?
Is reactive
Forms salts
Often used as a disinfectant