دوری جدول

Elements in the same group of the periodic table have the same number of:

• 1 Valence electrons
• 2 Shells
• 3 Neutrons
• 4 Protons

Group IA elements are called:

• 1 Alkaline earth metals
• 2 Alkali metals
• 3 Halogens
• 4 Noble gases

Which of these is a noble gas?

• 1 Oxygen
• 2 Neon
• 3 Sodium
• 4 Chlorine

Moving from left to right across a period, the atomic size generally:

• 1 Stays the same
• 2 Increases
• 3 Doubles
• 4 Decreases

Halogens are found in group:

• 1 IIA
• 2 IA
• 3 VIIA
• 4 VIIIA

Mendeleev arranged elements in order of increasing:

• 1 Melting point
• 2 Atomic mass
• 3 Density
• 4 Atomic number

Elements in a horizontal row of the periodic table form a:

• 1 Family
• 2 Period
• 3 Group
• 4 Block

The most electronegative element is:

• 1 Iron
• 2 Sodium
• 3 Fluorine
• 4 Carbon

The elements in group IIA are called:

• 1 Halogens
• 2 Alkali metals
• 3 Noble gases
• 4 Alkaline earth metals

Metals are generally found on the ___ of the periodic table.

• 1 Top right only
• 2 Right
• 3 Left
• 4 Bottom right only