Chapter 15 - Sassafras Chemistry

Hotspot

Where are Sassafrases are learning about halogens, bonding, Chlorine, and Iodine?

Fill in the Blanks

Dropdown

Select answer

is very reactive, so it's not found on its own in nature. Instead, it's mainly found in compounds, like the one it forms with sodium.

Hotspot

Where is Chlorine?

Multiple Choice

Who secrets a chlorine-containing compound as part of its defense?

Match

Match the color to the halogen

• yellow

• green

• purple

• blackish purple

fluorine

chlorine

bromine

iodine

• fluorine

• chlorine

• bromine

• iodine

Multiple Choice

Which halogen was used as a chemical weapon during World War I?

• Iodine

• Bromine

• Chlorine

• Fluorine

Multiple Choice

Chlorine is found in what household liquid

Multiple Select

What processes does Chlorine help in the body in trace amounts?

• Digestion

• Breathing

• Muscle movement

• Immunity

Fill in the Blanks

Dropdown

​

Select answer

is rarely seen on its own. It's usually paired together with itself or with another ​

Select answer

to form a ​

Select answer

Hotspot

What is the symbol for the Iodine?

Multiple Choice

Iodine's symbol is what letter of the alphabet?

• 6

• 9

• 11

• 13

Multiple Choice

What element is the atomic number of Iodine minus atomic number of Chlorine?

• Ar

• Br

• Kr

• Xe

Reorder

Reorder the following

• Iodine

• is named

• after the Greek

• word

• that means violet.

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

What happens when Iodine is heated?

• It turns into purplish gas.

• It turns into dark brown liquid.

• It solidifies.

• It evaporates without trace.

Multiple Choice

Sublimation is

• when a solid turns into a gas

• when a gas turns into a plasma

• when a liquid turns into a gas

• when a gas turns into a solid

Categorize

Options (12)

colorless

in seawater

odorless

noxious air

unreactive

used in fertilizers

ozone

added to table salt

in bleach

greenish gas

in anticeptic

makes plastic

Match the properties to the correct elements

Chlorine

Iodine

Oxygen

Nitrogen

Dropdown

In ​

Select answer

​ bonding, an electron is gained or lost. In ​

Select answer

bonding, an electron is shared between two atoms. In ​

Select answer

bonding, electrons are free to travel within a lattice.

Multiple Choice

What do you call a method of separating compounds by passing an electrical current through a solution with the compound?

• Sublimation

• Electrolysis

• Corrosion

• Oxidation

Hotspot

Which halogen help make hormones in the thyroid?

Hotspot

Which element is the second heaviest in the world?

Hotspot

Which element has an ion that is added to the toothpaste?

Hotspot

Which element is one of the rarest on Earth and was not isolated until 1940?

Hotspot

Which element caused the dye from sea snails to be purple?

Hotspot

Which element is used to make water safe to drink, as it kills bacteria and viruses?