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0654 Topic C3 Atoms. Elements & Compounds Quiz
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Perguntas do quiz (24)
1The diagram represents the structure of a lithium atom.
Which particle is represented by the circle with the cross inside?
- Aelectron
- Bneutron
- Cnucleus
- Dproton
2Three minerals containing iron are listed.
What is the total number of different elements contained in all three minerals?
- A3
- B4
- C5
- D16
3The diagram shows part of the Periodic Table.
Which letter shows the position of a metal with a low melting point?
- AA
- BB
- CC
- DD
4 Which row describes the general properties of non-metals?
- AA
- BB
- CC
- DD
5Which statement is not a reason why aluminium is used in aircraft manufacture?
- AIt forms low density alloys.
- BIt is malleable.
- CIt is more reactive than iron.
- DIt is resistant to corrosion.
6What are the chemical elements found in carbohydrates?
- Acarbon, hydrogen and oxygen only
- Bcarbon, hydrogen, oxygen and nitrogen only
- Ccarbon, hydrogen, oxygen and sulfur only
- Dcarbon, hydrogen, oxygen, nitrogen and sulfur only
7The structures of some substances are shown.
Which row shows the total number of different elements and the total number of atoms in the three structures?
- AA
- BB
- CC
- DD
8The diagram shows a helium atom.
Which particles in the helium atom have approximately the same mass?
- Aelectron and proton only
- Belectron and neutron only
- Cproton and neutron only
- Delectron, proton and neutron
9Which changes are chemical changes?
1 conversion of steam to liquid water
2 cracking of alkanes
3 fractional distillation of petroleum
4 strongly heating calcium carbonate- A1 and 3
- B1 and 4
- C2 and 3
- D2 and 4
10When two oxygen atoms bond, the atoms [blank_start]share[blank_end] electrons. The oxygen atoms are joined by [blank_start]covalent[blank_end] bonds. Oxygen is made of [blank_start]simple molecules[blank_end].
- Ashare
- Btransfer
- Cdelocalise
- Dionic
- Ecovalent
- Fmetallic
- Ga giant lattice
- Hmacromolecules
- Isimple molecules
11When hydrogen peroxide decomposes water is produced. Which two statements explain why water is a liquid at room temperature?
- AWater has a boiling point of 100 °C.
- BWater is made of ions.
- CWater has a melting point lower than room temperature.
- DWater has a giant covalent structure.
12An atom of gold is represented as shown in the diagram.
Complete the sentences.
The atomic number of gold is [blank_start]79[blank_end].
The number of electrons in an atom of gold is [blank_start]79[blank_end].- A79
- B79
13Diamond and graphite are macromolecules.
Which statement about diamond and graphite is not correct?- AThey are giant structures with high melting points.
- BThey are non-conductors of electricity.
- CThey contain only atoms of a non-metal.
- DThey have covalent bonds between the atoms.
14An aluminium atom has a nucleon number of 27 and a proton number of 13.
How many neutrons does this aluminium atom contain?- A13
- B14
- C27
- D40
15What happens when a bond is formed between a green gaseous element and a soft metallic element?
- AThe gas atoms gain an electron.
- BThe gas atoms lose an electron.
- CThe metal atoms gain an electron.
- DThe two elements share a pair of electrons.
16The equation shows the reaction between magnesium and sulfuric acid. [Ar: H, 1; O, 16; Mg, 24; S, 32]
Mg + H2SO4 → MgSO4 + H2
In this reaction, which mass of magnesium sulfate is formed when 6g of magnesium react with excess sulfuric acid?- A8
- B24
- C30
- D60
17Some properties of four elements, P, Q, R and S, are shown in the table.
Two of these elements are in Group I of the Periodic Table and two are in Group VII.
Which statement is correct?
- AP is below R in Group I.
- BQ is above R in Group I.
- CQ is below S in Group VII.
- DR is below S in Group VII.
18Two statements about argon are given.
1 Argon has a full outer shell of electrons.
2 Argon is very reactive and is used in lamps.
Which is correct?- ABoth statements are correct and statement 2 explains statement 1.
- BBoth statements are correct but statement 2 does not explain statement 1.
- CStatement 1 is correct but statement 2 is incorrect.
- DStatement 2 is correct but statement 1 is incorrect.
19Which statement about the uses of metals is correct?
- AAluminium is used in the manufacture of aircraft because of its strength and high density.
- BCopper is used in electrical wiring because of its strength and high density.
- CMild steel is used in the manufacture of car bodies because of its strength and resistance to corrosion.
- DStainless steel is used in the construction of chemical plant because of its strength and resistance to corrosion.
20One of the instructions for an experiment reads as follows.
Quickly add 50 cm3 of acid.
What is the best piece of apparatus to use?- Aa burette
- Ba conical flask
- Ca measuring cylinder
- Da pipette
21Two statements about diamond are given.
1 Diamond has a giant three-dimensional covalent structure of carbon atoms.
2 Diamond is one of the hardest substances known.
Which is correct?- ABoth statements are correct and statement 1 explains statement 2.
- BBoth statements are correct but statement 2 does not explain statement 1.
- CStatement 1 is correct but statement 2 is incorrect.
- DStatement 2 is correct but statement 1 is incorrect.
22The table shows the electronic structure of four atoms.
Which two atoms combine to form a covalent compound?
- AW and X
- BW and Y
- CX and Y
- DX and Z
23An atom of element Q contains 19 electrons, 19 protons and 20 neutrons.
What is Q?- Acalcium
- Bpotassium
- Cstrontium
- Dyttrium
24Lithium is in Group I of the Periodic Table. Nitrogen is in Group V of the Periodic Table.
Lithium reacts with nitrogen to form the ionic compound lithium nitride.
What happens to the electrons when lithium atoms and nitrogen atoms form ions?
- AA
- BB
- CC
- DD
Informações
- Descrição
- Quiz for 0654 IGCSE Coordinated Sciences Topic C3 Atoms, Elements and Compounds
- Autor
- Jeffrey Piggott
- Idioma
- English
- Visualizações
- 1.028
- Histórico
- Criado em 26 dez 2016 · atualizado em 7 set 2018
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