How does the periodic table help in predicting the formula of a stable ionic compound?
2 answers:
A. This is a FALSE statement because Metals in Group 1 form cations with a +1 charge and not -1 . TRUE statement. FALSE statement because metals do not form anions i.e. negatively charged ions but form cations i.e. positively charged ions. FALSE statement because metals do not form anions i.e. negatively charged ions but form cations i.e. positively charged ions.
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Something defined as hydrophilic is actually attracted to water, while something that is hydrophobic resists water.
Explanation:
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Answer:
MnO3 radical anion. Formula: MnO3- Molecular weight: 102.9368.
Answer:
. A closed system allows only energy transfer but no transfer of mass. Example: a cup of coffee with a lid on it, or a simple water bottle. ... In reality, a perfectly isolated system does not exist, for instance hot water in a thermos flask cannot remain hot forever.
Answer:
<h2>80 N</h2>
Explanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question we have
force = 20 × 4
We have the final answer as
<h3>80 N</h3>
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