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Question | Answer |
What is the least reactive alkali metal? | Lithium |
What shape of molecule will water have? | Angular |
What is meant by the term ion? | Charged Particles |
Which group in the Periodic table is the least reactive? | Noble gases |
What is the electron arrangement of oxygen? (This is worth 2 marks) | 2,6 |
How can the number of neutrons in an atom be worked out? | Mass number - Atomic number |
What information is known about at proton? | Inside the nucleus, mass of 1 and positive charge. |
What type of bonding results in a lattice structure? | Ionic |
How do covalently bonded elements achieve a full outer shell? | They share their unpaired outer electrons |
How could a scientist confuse elements in the Periodic table? | Based on their chemical and physical properties. |
Why are atoms always neutral? | They have equal numbers of protons and electrons |
A subatomic particle with a mass of 0, a negative charge which is found in the shells is known as what? | An electron |
What information is included in the nuclide notation of an element? | Symbol, atomic number and mass number |
What does the atomic number tell us about an atom? | The number of protons in an element |
15.Which element produces a blue/green coloured flame? | Copper |