Tro,7e_sm_tb
Tro,7e_sm_tb
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Exam (elaborations)
Chemistry: a molecular approach chapter 7
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---3July 20242023/2024A+
- Negatively charged ions are called _____ - correct answersAnions 
 
The smallest particle of an element that is still recognisable as that element is called an _____ - correct answersAtom 
 
The process in which a liquid changes to a gas or vapour with the formation of bubbles throughout the liquid is called _____ - correct answersBoiling 
 
Positively charged ions are called _____ - correct answersCations 
 
A change in which at least one new substance is formed is called a _____ _____or _____ ...
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elsykanja773
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Exam (elaborations)
Chemistry: a molecular approach chapter 7
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---4July 20242023/2024A+
- Quantum-mechanical model - correct answers A model that explains the strange behavior of electrons. 
 
Electromagnetic radiation - correct answers A type of energy embodied in oscillating electric and magnetic fields. 
 
Amplitude - correct answers The wave is the vertical height of a crest (depth of a trough). 
 
Wavelength - correct answer sThe wave is the distance between adjacent crests (or any two analogous points) and is measured in units such as meters ,micrometers, or nanometers. 
 
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elsykanja773