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CHEM0503010
During the formation of an ionic compound, the atoms of the elements
CHEM0503020
Element M has an electronic arrangement of 2. 8. 1. Element N has an electronic arrangement of 2. 8. 6. What is likely to form if M reacts with N?
CHEM0503030
The number of valence electrons for atoms P and Q are 7 and 2 respectively. Which of the following chemical formula and type of bonding are true for the compound formed between P and Q?
CHEM0503040
The formation of the ionic compound is due to
CHEM0503050
P reacts with Q to form an ionic compound with a formula of P2Q. Which of the following is the possible electron arrangement of elements P and Q?
CHEM0503060
The figure above shows the electron arrangement in an atom of elements P and Q. What is the formula and type of bond for the compound formed when P reacts with Q?
CHEM0503070
Metal X reacts with oxygen gas forms a compound with formula XO. Which of the following is the correct dot and cross diagram of the oxide of metal X?