group 7
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Slide 1 - Tekstslide
Slide 2 - Tekstslide
Slide 3 - Tekstslide
What charge do compounds have, overall?
A
Positive charge
B
Negative charge
C
No overall charge
Slide 4 - Quizvraag
What does the word ‘ductile’ mean?
A
Able to be drawn into wires
B
Hard to melt
C
Easily broken
Slide 5 - Quizvraag
What do you find in the nucleus of an atom?
A
Molecules
B
Electrons
C
Neutrons
D
Protons
Slide 6 - Quizvraag
Slide 7 - Tekstslide
Slide 8 - Tekstslide
Slide 9 - Tekstslide
What are the melting and boiling points of iodine?
A
Melting point: -219.6°C, Boiling point: -188.1°C
B
Melting point: -101.5°C, Boiling point: -34.04°C
C
Melting point: -7.2°C, Boiling point: 58.8°C
D
Melting point: 113.7°C, Boiling point: 184.3°C
Slide 10 - Quizvraag
What are the melting and boiling points of bromine?
A
Melting point: -7.2°C, Boiling point: 58.8°C
B
Melting point: -219.6°C, Boiling point: -188.1°C
C
Melting point: -101.5°C, Boiling point: -34.6°C
D
Melting point: -101.5°C, Boiling point: -34.04°C
Slide 11 - Quizvraag
What are the melting and boiling points of chlorine?
A
Melting point: -7.2°C, Boiling point: -34.6°C
B
Melting point: -101.5°C, Boiling point: -34.04°C
C
Melting point: -219.6°C, Boiling point: -188.1°C
D
Melting point: -7.2°C, Boiling point: -34.04°C
Slide 12 - Quizvraag
What are the melting and boiling points of fluorine?
A
Melting point: -219.6°C, Boiling point: -188.1°C
B
Melting point: -7.2°C, Boiling point: -34.04°C
C
Melting point: -101.5°C, Boiling point: -34.6°C
D
Melting point: -101.5°C, Boiling point: -34.04°C
Slide 13 - Quizvraag
Slide 14 - Tekstslide
Slide 15 - Tekstslide
Slide 16 - Tekstslide
Slide 17 - Tekstslide
Slide 18 - Tekstslide
Slide 19 - Tekstslide
Sodium + Chlorine
chloride
Potassium + Fluorine
Potassium
Lithium +
Lithium iodide
Potassium +
Potassium bromide
Slide 20 - Sleepvraag
Slide 21 - Tekstslide
Slide 22 - Tekstslide
Slide 23 - Tekstslide
Slide 24 - Tekstslide
What type of bond is formed between group 7 and group 1 elements?
A
covalent
B
polar
C
metallic
D
ionic
Slide 25 - Quizvraag
What is the charge of elements in group 1?
A
+2
B
-2
C
-1
D
+1
Slide 26 - Quizvraag
What is the charge of elements in group 7?
A
-1
B
+2
C
+1
D
-2
Slide 27 - Quizvraag
What compound is formed by potassium and iodine?
A
Potassium iodide is formed
B
Potassium oxide is formed
C
Potassium chloride is formed
D
Potassium fluoride is formed
Slide 28 - Quizvraag
What compound is formed by cesium and bromine?
A
Cesium oxide is formed
B
Cesium fluoride is formed
C
Cesium bromide is formed
D
Cesium chloride is formed
Slide 29 - Quizvraag
Are potassium bromide molecules neutral?
A
No, they are positively charged
B
No, they are negatively charged
C
No, they are partially charged
D
Yes, they are neutral
Slide 30 - Quizvraag
What is the charge of potassium bromide?
A
+1 and -1
B
+1 and +1
C
-1 and +1
D
-1 and -1
Slide 31 - Quizvraag
Devise the formula for the compound formed.
A
CsI
B
CsI2
C
Cs2I
D
CsO
Slide 32 - Quizvraag
Create the word equation for the reaction of caesium and iodine.
A
Caesium + Iodine -> Caesium Iodate
B
Caesium + Iodine -> Caesium Iodine
C
Caesium + Iodine -> Caesium Iodate
D
Caesium + Iodine -> Caesium Iodide
Slide 33 - Quizvraag
Why do group 7 elements form -1 charges when they bond?
A
They share one electron
B
They lose one electron
C
They gain one electron
D
They gain two electrons
Slide 34 - Quizvraag
What is the trend in reactivity down group 7?
A
Reactivity fluctuates
B
Reactivity increases
C
Reactivity decreases
D
Reactivity remains constant
Slide 35 - Quizvraag
What is the appearance of chlorine at room temperature?
A
Yellow solid
B
Red liquid
C
Blue gas
D
Greenish-yellow gas
Slide 36 - Quizvraag
Devise the formula for the compound formed.
A
Cs2I
B
CesiumIodine
C
CsI2
D
CsI
Slide 37 - Quizvraag
Create the word equation for the reaction of caesium and iodine.
A
Caesium + Iodate -> Caesium Iodine
B
Caesium + Iodide -> Caesium Iodine
C
Caesium + Iodine -> Caesium Iodate
D
Caesium + Iodine -> Caesium Iodide
Slide 38 - Quizvraag
Why do group 7 elements form -1 charges when they bond?
A
They share electrons
B
They have a full outer shell
C
They gain an electron to achieve a full outer shell
D
They lose an electron
Slide 39 - Quizvraag
What is the trend in reactivity down group 7?
A
Remains constant
B
Reactivity decreases
C
No trend in reactivity
D
Reactivity increases
Slide 40 - Quizvraag
What is the appearance of chlorine at room temperature?
A
Red liquid
B
Colorless gas
C
Greenish-yellow gas
D
Blue solid
Slide 41 - Quizvraag
Slide 42 - Tekstslide
Slide 43 - Tekstslide
Understanding halogens is crucial in chemistry.
Yes, it's important for chemical reactions.
No, it's not relevant to everyday life.
I'm not sure, can you explain more?
It might be important, but I'm indifferent.
Slide 44 - Poll
Knowing the difference between ionic and covalent bonds is fundamental in chemistry.
Absolutely, it affects how compounds form.
Not really, as long as compounds work.
I need more information to decide.
It's not important in my opinion.
Slide 45 - Poll
Understanding reactivity is essential for predicting chemical behavior.
Yes, it helps in understanding chemical reactions.
No, it's not necessary for everyday life.
I'm not sure, can you explain more?
It might be useful, but I'm indifferent.
