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Question 1 of 8
1. Question
1 point(s)P, Q and R are 3 consecutive elements in the periodic table. If R is a noble gas, what will be the charge of ion P?
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Question 2 of 8
2. Question
1 point(s)
The diagram below shows the arrangement of electrons in a particle. The particle has 7 protons and 7 neutrons. What is the symbol for the particle?
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Question 3 of 8
3. Question
1 point(s)Element M has an electronic arrangement of 2. 8. 7. Element N has an electronic arrangement of 2. 8. 8. 2. What is likely to form if M reacts with N?
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Question 4 of 8
4. Question
1 point(s)The formation of an ionic compound is due to
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Question 5 of 8
5. Question
1 point(s)
The figure shows the electron arrangements in a molecule of compound MN2. Which one of the following pairs of elements could be M and N?
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Question 6 of 8
6. Question
1 point(s)The molecular formula of ethane is C₂H₄. What is the total number of shared electrons in an ethene molecule? [proton number of carbon = 6; proton number of hydrogen = 1]
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Question 7 of 8
7. Question
1 point(s)Which of the following pair of elements will form a compound by sharing electrons?
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Question 8 of 8
8. Question
1 point(s)The proton number of X and Y are 16 and 9 respectively. What is the formula of the compound formed when X reacts with Y.
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