Answer:
ion X²- an element in group VI A.
C and D have three significant figures.
Answer:
acetic acid
Explanation:
The acidity of the vinegar helps neutralise the bee venom
The subatomic particle involved in chemical bonding is the electron. Electrons are the smallest of all subatomic particles and orbit the nucleus in discrete energy levels called shells. Electrons are negatively charged and the nucleus is positively charged due to the protons.
An effective scientific model must be testable and verifiable by using the scientific method.
<h3>What is a scientific model?</h3>
A scientific model is any explanation of an observation of the real world that can be proved by the scientific method.
A scientific model must be testable, which means that we can confirm or reject its assumptions through experimental and/or observational procedures.
In conclusion, the effective scientific model must be proved with the scientific method.
Learn more about the scientific method here:
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