Halogens

How many electrons do Halogens have in their outer shell?

• 0

• 1

• 6

• 7

Which of the "Halogens" has yellowish green color?

• Chlorine

• Bromine

• Flourine

• Iodine

As you move down the group, halogens' reactivity...

• increases

• decreases

• doesn't change

• shows no trend.

At room temperature, iodine is a....

• Gas
• Liquid
• Solid

The nucleus of which halogen is best at attracting electrons?

• fluorine

• iodine

• bromine

• chlorine

Which of the halogens could able to make the strongest ionic bond with Sodium metal?

• Iodine

• Bromine

• Chlorine

• Flourine

Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.

• decreases, increases

• increases, increases

• increases, decreases

• stays the same, increases

Which halogen would be able to replace chlorine in sodium chloride?

• Flourine

• Bromine

• Iodine

• Astatine

Which statement is true about halogens?

• Form covalent compounds with other non-metallic elements

• A less reactive halogen will displace a more reactive element form its ionic salt

• Form ionic compound with hydrogen

• form negative ion of charge -2

The process by which solid iodine particles change directly to gas without first becoming a liquid is called ____.

• evaporation

• ionization

• condensation

• sublimation