Most of the elements on the Periodic Table are metals. Metals can be distinguished from non-metals by differences in their physical properties.
Which row correctly describes a metal?
| Malleability | Heat & electrical conductivity | |
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| B | |
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| C | |
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| D | |
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A sample of element Y is shiny and can be shaped by hammering.
Which row of the table corresponds to the properties of element Y?
| conducts electricity | melts below 25℃ | |
| A | |
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| B | |
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| C | |
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| D | |
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Some of the properties of four different elements Q, P, R and S are listed below:
| 1 | Q melts at 1410 °C and forms an acidic oxide. |
| 2 | P has a high density and is easily drawn into wires. |
| 3 | R acts as a catalyst and its oxide reacts with acids |
| 4 | S is a red-brown solid used to make alloys. |
Which of the elements are metals?
1 and 3 only
2 and 4 only
2, 3 and 4
1,2 and 3
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Some properties which indicate the differences in elements are listed.
| 1 | metallic character |
| 2 | number of electron shells in an atom |
| 3 | number of protons in an atom |
| 4 | total number of electrons in an atom |
Which two properties increase across a period of the Periodic Table?
1 and 2
1 and 3
2 and 4
3 and 4
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The properties of four substances are shown.
Which substance is a metal?
It conducts electricity when dissolved in water but not when solid.
It has a high melting point and conducts heat when solid.
It has a low melting point and is brittle.
It has a giant covalent structure with a high melting point.
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Properties of four elements are shown below.
Which of these elements is a metal?
| electrical conductivity when solid | electrical conductivity when liquid | melting point ℃ | |
| A | low | low | -7 |
| B | high | low | 801 |
| C | high | high | 1535 |
| D | low | low | 3550 |
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Element Y is malleable and ductile.
Which correctly describes the properties of element Y?
| Electrical conductivity (solid) | Electrical conductivity (molten) | Melting Point / oC | |
| 1 | ✓ | ✓ | 2861 |
| 2 | ✓ | ✓ | 63 |
| 3 | ✗ | ✓ | 801 |
1 and 2 only
1 and 3 only
2 and 3 only
1, 2 and 3
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Some properties of elements K, L, M and N are given.
| 1 | K acts as a catalyst and its oxide reacts with hydrochloric acid |
| 2 | L is a dull dark grey solid that conducts electricity and has a melting point of 3600 oC |
| 3 | M is easily hammered into shape and has a high density |
| 4 | N has a melting point of 113 oC and forms an acidic oxide |
Which of the elements are metals?
1 and 3 only
2, 3 and 4
2 and 3 only
2 and 4 only
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