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Group 0

8th grade (Year 9 in England) · 16 questions · Common Core: NGSS.HS-PS1-1 · England: GCSE Combined Science: Atomic structure and the periodic table (group 0)

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Score/ 16

1
Question 1
The noble gases: which statement is NOT true?
- A. Noble gases are colourless at room temperature.
- B. Noble gases react easily with oxygen.
- C. Noble gases exist as single atoms.
- D. Helium has a full outer shell with only two electrons.
2
Question 2
Why is argon used inside some light bulbs and for welding?
- A. It is unreactive, so it stops hot metal reacting with oxygen
- B. It conducts electricity like a metal
- C. It burns very hot
- D. It glows bright green
3
Question 3
Which noble gas is used for glowing red-orange advertising signs?
- A. helium
- B. neon
- C. argon
4
Question 4
The noble gases: which statement is NOT true?
- A. Noble gases exist as single atoms.
- B. Noble gases are colourless at room temperature.
- C. Noble gases have eight electrons in every shell.
- D. Neon glows red-orange in electric signs.
5
Question 5
Why are noble gases so unreactive?
- A. They are metals
- B. They have no electrons
- C. Their outer electron shell is full
- D. They are too heavy
6
Question 6
Which noble gas is used for glowing red-orange advertising signs?
- A. helium
- B. neon
- C. argon
7
Question 7
The noble gases: which statement is NOT true?
- A. Noble gases form diatomic molecules like Cl₂.
- B. Helium has a full outer shell with only two electrons.
- C. Neon glows red-orange in electric signs.
- D. Noble gases exist as single atoms.
8
Question 8
Why is argon used inside some light bulbs and for welding?
- A. It is unreactive, so it stops hot metal reacting with oxygen
- B. It conducts electricity like a metal
- C. It glows bright green
- D. It burns very hot
9
Question 9
Which noble gas is used for filling the gap in some double glazing?
- A. helium
- B. neon
- C. argon
10
Question 10
The noble gases: which statement is NOT true?
- A. Noble gases form diatomic molecules like Cl₂.
- B. Noble gases are colourless at room temperature.
- C. Noble gases exist as single atoms.
- D. Helium has a full outer shell with only two electrons.
11
Question 11
Why is helium, not hydrogen, used in party balloons and airships today?
- A. Helium is less dense than air and does not burn
- B. Hydrogen is a noble gas
- C. Helium is denser than air
- D. Helium is cheaper than air
12
Question 12
Which noble gas is used for cooling the magnets in MRI scanners?
- A. helium
- B. neon
- C. argon
13
Question 13
The noble gases: which statement is NOT true?
- A. Neon glows red-orange in electric signs.
- B. Noble gases exist as single atoms.
- C. Noble gases have eight electrons in every shell.
- D. Helium has a full outer shell with only two electrons.
14
Question 14
Boiling points: helium −269 °C, neon −246 °C, argon −186 °C. What is the trend down the group?
- A. there is no pattern
- B. boiling point decreases
- C. boiling point stays the same
- D. boiling point increases
15
Question 15
Which noble gas is used for cooling the magnets in MRI scanners?
- A. helium
- B. neon
- C. argon
16
Question 16
The noble gases: which statement is NOT true?
- A. Noble gases exist as single atoms.
- B. Noble gases react easily with oxygen.
- C. Neon glows red-orange in electric signs.
- D. Noble gases are colourless at room temperature.

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