The Van der waals' forces are dominant intermolecular forces in_______?
Ammonium chloride
Chlorine
Sodium chloride
Water
Correct answer is B
No explanation has been provided for this answer.
How many orbits are contained in an atom with atomic number 13?
7
6
5
3
Correct answer is D
No explanation has been provided for this answer.
The negatively charged particle in an atom is the
Electron
Neutron
Positron
Proton
Correct answer is A
No explanation has been provided for this answer.
Which of the following metals is common to both brass and bronze?
Aluminium
Copper
Lead
Iron
Correct answer is B
No explanation has been provided for this answer.
A consequences of global warming is
Air pollution
Flooding
Increased humidity
Water pollution
Correct answer is B
Global warming is a gradual increase in the earth’s temperature generally due to the greenhouse effect caused by increased levels of carbon dioxide, CFCs, and other pollutants., consequences of global warming include: Seasonal/climate change, Rising oceans, Increase in flooding occurrences. Melting ice caps or polar ice. Increase in the average temperature of the world.