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CHEMISTRY OF THE ELEMENTS: Nitrogen
Chemistry Of The Elements: Sulphur
MATTER - PROPERTIES AND TRANSFORMATION: Acidic And Alkaline Solutions
MATTER - PROPERTIES AND TRANSFORMATION: Atomic Structure And The Periodic Table
MATTER - PROPERTIES AND TRANSFORMATION: Atoms
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Carbon
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Hydrogen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Oxygen
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - Phosphorus
MATTER - PROPERTIES AND TRANSFORMATION: Chemistry of Elements - The Halogens
MATTER - PROPERTIES AND TRANSFORMATION: Structure And Bonding
5/77 MCQs for:
MATTER - PROPERTIES AND TRANSFORMATION: Atomic Structure And The Periodic Table
An element forms an ion with a -1 charge. Which of the following electronic configurations could it have had before forming the ion?
2, 8, 7.
2, 8, 8.
2, 8, 1.
2, 8, 2.
Which of the following is a halogen?
Neon (Ne).
Sulfur (S).
Nitrogen (N).
Bromine (Br).
Who stated the law of ‘octaves’?
Mendeleev.
Newlands.
Dobereiner.
Lothar Meyer.
Which part of an atom contains protons and neutrons?
Energy levels.
Nucleus.
Valence shell.
Electron cloud.
What is the maximum number of electrons that can be held in the third energy level (n=3)?
8.
2.
18.
32.
