WGU D425 - Introduction to Chemistry |PA & OA|Explore New 107 Questions and Answers| 100% Correct|Latest 2025 Update with complete solutions
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the elements in Group 8A of the periodic table the most reactive elements in the periodic table
elements that are always found in gaseous form elements that can form multiple bonds
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Term
Liquids have a _____ but no ______
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no volume and a shape that is always changing.no volume and a fixed shape that cannot change.
a fixed shape and a variable volume depending on temperature.definite volume but no definite shape because they adopt the shape of the container
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Term
What are cations?
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positively charged ions electrically neutral species
positive ions nonpolar molecules
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Term
What happens when there's an affect on temperature on reactants?Le Cheteliers Principle
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Gases decrease in solubility as pressure decreases A property that depends on the type of matter in a sample, not the amount of matter 3 / 4
Endothermic (meaning HEAT on reactants) will cause reactants to increase and PRODUCTS to decrease.Chemical changes transform matter in such a way that the identity or chemical substance changes
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Term
Avogadro's number
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the volume occupied by one mole of gas At stp the total mass of one mole of any substance
number of representative particles in a mole, 6.02 X 10^23 the number of atoms in a single molecule
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