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WorksheetsCovalent Bonding
Total questions: 11
Worksheet time: 7mins
Which of the following pairs of elements will form a covalent compound?
sulfur and neon
hydrogen and carbon
sodium and chlorine
P and R
P and Q
T ans S
Element Q has an electronic structure 2,5. Element R has an electronic structure 2,7.
What is formed when Q and R react?
ionic ; QR3
covalent; QR3
covalent; QR
ionic ; QR
The diagram below shows the electron arrangement in a molecule of the compound AX2. Which pair of elements could A and X be?
A: oxygen; X: hydrogen
A: sulfur; X: chlorine
Substance Q has the following physical properties.
- It does not conduct electricity when molten.
- It is soluble in organic solvents.
- It is a gas at room temperature.
What is Q?
sodium chloride
gold
sulfur dioxide
ionic; XY
covalent; XY
ionic; XY2
covalent; XY2
How many electrons are involved in bonding in this molecule?
2
3
4
8
Which statement describes the formation of a covalent bond?
Electrons are shared between metallic atoms.
Electrons are shared between non-metallic atoms.
Electrons are transferred from metallic to non-metallic atom
