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Paper 1 | Objectives | 39 Questions
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Paper 1 | Objectives
Christian Religious Knowledge/Education/Studies (CRS/CRK/CRE)
When sodium atom form the ion Na+,
A. it gains one proton
B. it achieves a noble gas configuration
C. its atomic number increases
D. it gains one electron
Which of the following statements about rare gases are correct?
A. Their outermost shells are fully filled
B. They are generally unreactive
C. Their outermost shells are partially filled
D. They have lone pair of
Which of the following properties is characteristic of the halogens?
A. Ability to accept electrons readily
B. Ability to donate electrons readily
C. Ability to from basic oxides
D. Formation of coloured compounds
In which of the following atoms is the ionic radius larger than the atomic radius? [11 Na, 12Mg,13AI,17CI]
A transition metal would be expected to
A. from oxides with different formulae
B. have strong oxidizing ability
C. have low density
D. have an atomic structure with an incomplete outermost shell
Which of the following properties of atoms generally increases down a group in the periodic table?
A. Electron affinity
C. Ionic radius
D. lonization energy
Which of the following statements about sodium is not true?
A. Na+ is smaller in size than Na
B. Na is smaller in size than Na+
C. Na+ has fewer electrons than Na
D. The effective nuclear charge in Na+ is greater than in Na
If the difference between the electronegativities of two elements is large, the type of bond that can be formed between them is
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