8D QUIZ1 II PARTIAL

Alkaline Earth Metals belong to: _______________________

• Group # 1

• Group #2

• Group # 3

• Group # 4

Elements from Group #18 have 8 electrons in valence shell, except for ______________________ which has 2.

Elements in the periodic table are arranged by :______________________

• Increasing atomic number

• Increasing neutrons

• Decreasing atomic number

• Increasing symbols

Elements within the same group have

• same number of electrons in all shells.

• same number of electrons in valence shell

• same number of protons in valence shell

• same number of orbitals

By what property did Mendeleev arrange the elements?

Is the horizontal row in the periodic table

• Group

• Period

• Point

• Valence electrons

Is the total number of periods in the periodic table

Is the total number of groups in the periodic table

• 18

• 7

• 118

• 20

State the number of valence electrons in Calcium

Elements such as Chlorine, Bromine, Fluorine belong to the family:______________________

• Noble gases

• Carbon family

• Transition gases

• Halogens