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Examen
Test Bank Ocr A-Level Chemestry Exams 2023/2024 Complete Paper A And B|100% Guaranteed Pass| Approved Exams
Answer all the questions. 
 
1	Which statement describes electronegativity? 
 
A	A measure of the reactivity of an element. 
 
B	The ability of an atom to attract an electron to become a 1– ion. 
 
C	The attraction of a bonded atom for the electrons in a covalent bond. 
 
D	The attraction of an atom for a lone pair of electrons. 
 
Your answer	 	[1] 
 
 
2	A chlorate(VII) ion has a 1– charge. 
What is the formula for sodium chlorate(VII)? 
 
A	NaCl O3 
 
B	NaCl O4 
 
C	NaCl O7 
 
D	NaCl O8 
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