HALOGEN

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Test your halogen knowledge.

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alya

Malaysia

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HALOGENVersion en ligne Test your halogen knowledge. par alya 1 Which halogen has the smallest atomic size? a Fluorine b Chlorine c Bromine d Iodine 2 Why does the atomic size increase down the halogen group? a The number of electrons decreases b The elements lose valence electrons c The nucleus becomes weaker d The number of protons and neutrons increases 3 Which of the following diseases can be prevented by chlorination of water? a Diabetes b Cholera and typhoid c Influenza d Arthritis 4 Which halogen is liquid at room temperature? a Chlorine b Fluorine c Bromine d Iodine 5 How does halogen reactivity change down the group? a Stays the same b Increases c Varies randomly d Decreases 6 What type of acids do halogens form with hydrogen? a Sulfuric acids b Carboxylic acids c Hydrohalic acids d Hydroxy acids 7 Which halogen is the most reactive? a Iodine b Bromine c Chlorine d Fluorine 8 Which halogen is essential in thyroid hormone production? a Iodine b Bromine c Chlorine d Fluorine 9 Which compound of fluorine is commonly added to toothpaste to prevent tooth decay? a Sodium chloride (NaCl) b Sodium fluoride (NaF) c Calcium fluoride (CaF₂) d Fluorine gas (F₂) 10 Which of these is not an interhalogen compound? a Cl₂O b BrF₅ c ICl d IF₇

HALOGENVersion en ligne

Test your halogen knowledge.

par alya

Which halogen has the smallest atomic size?

Fluorine

Chlorine

Bromine

Iodine

Why does the atomic size increase down the halogen group?

The number of electrons decreases

The elements lose valence electrons

The nucleus becomes weaker

The number of protons and neutrons increases

Which of the following diseases can be prevented by chlorination of water?

Diabetes

Cholera and typhoid

Influenza

Arthritis

Which halogen is liquid at room temperature?

Chlorine

Fluorine

Bromine

Iodine

How does halogen reactivity change down the group?

Stays the same

Increases

Varies randomly

Decreases

What type of acids do halogens form with hydrogen?

Sulfuric acids

Carboxylic acids

Hydrohalic acids

Hydroxy acids

Which halogen is the most reactive?

Iodine

Bromine

Chlorine

Fluorine

Which halogen is essential in thyroid hormone production?

Iodine

Bromine

Chlorine

Fluorine

Which compound of fluorine is commonly added to toothpaste to prevent tooth decay?

Sodium chloride (NaCl)

Sodium fluoride (NaF)

Calcium fluoride (CaF₂)

Fluorine gas (F₂)

Which of these is not an interhalogen compound?

Cl₂O

BrF₅

ICl

IF₇

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HALOGEN

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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HALOGENVersion en ligne

par alya

Which halogen has the smallest atomic size?

Why does the atomic size increase down the halogen group?

Which of the following diseases can be prevented by chlorination of water?

Which halogen is liquid at room temperature?

How does halogen reactivity change down the group?

What type of acids do halogens form with hydrogen?

Which halogen is the most reactive?

Which halogen is essential in thyroid hormone production?

Which compound of fluorine is commonly added to toothpaste to prevent tooth decay?

Which of these is not an interhalogen compound?

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