Which of the "Halogens" is found in liquid state at room temperature?

• Flourine

• Astatine

• Iodine

• Bromine

At room temperature, iodine is a....

• Gas
• Liquid
• Solid

At room temperature, chlorine is...

• a yellow-green gas
• a brown gas
• a yellow-green liquid

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

• increases

• decreases

• doesn't change

• shows no trend.

Which halogens can displace bromide ions to make bromine?

• Fluorine and iodine.

• Fluorine and bromine.

• Fluorine and chlorine

• Chlorine and iodine.

A displacement reaction involves...

• a solution turning brown or yellow.

• a less reactive element taking the place of a more reactive element.

• a dislocated hip.

• a more reactive element taking the place of a less reactive element.

What type of ions do the Group 7 elements make?

• positive 2 (+2)
• positive 1 (+1)
• negative 1 (-1)
• negative 2 (-2)

Tags

NGSS.HS-PS1-2

Would a displacement reaction occur for Bromine + Potassium Iodide?

• Yes

• No

• Maybe

How many electrons do the halogens all have in their outer shells?

• 1

• 2

• 7

• 8

The Halogens are found in which group number?

• 5

• 6

• 7

• 0