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Which of the following is a chemical property? a.) color b.) hardness c.) freezing point d.) ability to react with oxygen
Weegy: A. ability to react with oxygen is a chemical property. User: What do chemical symbols and formulas represent, respectively? a.) elements and compounds b.) atoms and mixtures c.) compounds and mixtures d.) elements and ions (More)
Question
Expert Answered
Updated 1/19/2014 5:27:59 PM
1 Answer/Comment
Chemical symbols and formulas represent, respectively : a.) elements and compounds.
Added 1/19/2014 5:27:59 PM
This answer has been confirmed as correct, not copied, and helpful.
Which of the following is a heterogeneous mixture? a.)air b.)salt water c.) steel d.) soil
Question
Not Answered
Updated 9/20/2013 9:12:51 PM
1 Answer/Comment
Of the following, a heterogeneous mixture is d.) soil. A heterogeneous mixture is one that does not have a uniform distribution of components. You can find gravel, pebbles, plant material etc. in a given sample of soil that makes it heterogeneous.
Added 9/20/2013 9:12:51 PM
Rated good by iridium427
What causes the shielding effect to remain constant across a period? a.) electrons are added to the same principal energy level b.) electrons are added to different principal energy levels c.) the charge on the nucleus is constant d.) the atomic radius increases
Question
Expert Answered
Updated 3/9/2015 7:23:22 PM
1 Answer/Comment
Electrons are added to the same principal energy level causes the shielding effect to remain constant across a period.

Added 3/9/2015 7:23:22 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [3/10/2015 1:56:35 AM]
Which statement is true about electronegativity? a.) electronegativity is the ability of an anion to attract another anion b.) electronegativity generally increases as you move from top to bottom within a group c.) electronegativity generally is higher for metals than for nonmetals d.) electronegativity generally increases from left to right across a period
Weegy: Which statement is true? A. Electronegativity generally decreases from left to right across a period. (More)
Question
Not Answered
Updated 2/3/2015 7:48:25 PM
1 Answer/Comment
Electronegativity generally increases from left to right across a period- is true about electronegativity.

Added 2/3/2015 7:48:25 PM
This answer has been added to the Weegy Knowledgebase
__________is language that is meant to persuade. A. Dialect B. Rhetoric C. Oratory D. None of these
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Expert Answered
Updated 8/4/2015 12:00:53 AM
1 Answer/Comment
RHETORIC is language that is meant to persuade.
Added 8/4/2015 12:00:53 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by selymi [8/4/2015 1:02:46 AM]
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