๐ important terms in chemistry for EUEE
1. Atom: The basic unit of a chemical element, consisting of protons, neutrons, and electrons.
2. Molecule: A group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.
3. Element: A pure substance that cannot be broken down into simpler substances by chemical means, defined by its number of protons.
4. Compound: A substance formed when two or more elements chemically bond in fixed proportions.
5. Ion: An atom or molecule that has gained or lost one or more electrons, resulting in a net charge.
6. Cation: A positively charged ion, formed by the loss of electrons.
7. Anion: A negatively charged ion, formed by the gain of electrons.
8. Isotope: Variants of a particular chemical element that have the same number of protons but different numbers of neutrons.
9. Chemical Bond: The attractive force between atoms that allows the formation of chemical compounds.
10. Covalent Bond: A type of bond where two atoms share one or more pairs of electrons.
11. Ionic Bond: A type of bond formed through the electrostatic attraction between oppositely charged ions.
12. Polar Molecule: A molecule with a partial positive charge on one end and a partial negative charge on the other, due to an unequal distribution of electrons.
13. Nonpolar Molecule: A molecule that has no distinct poles and an even distribution of charge.
14. Solvent: A substance that dissolves a solute, resulting in a solution; typically present in greater amount.
15. Solute: The substance that is dissolved in a solvent to form a solution.
16. Solution: A homogeneous mixture composed of two or more substances.
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1. Atom: The basic unit of a chemical element, consisting of protons, neutrons, and electrons.
2. Molecule: A group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.
3. Element: A pure substance that cannot be broken down into simpler substances by chemical means, defined by its number of protons.
4. Compound: A substance formed when two or more elements chemically bond in fixed proportions.
5. Ion: An atom or molecule that has gained or lost one or more electrons, resulting in a net charge.
6. Cation: A positively charged ion, formed by the loss of electrons.
7. Anion: A negatively charged ion, formed by the gain of electrons.
8. Isotope: Variants of a particular chemical element that have the same number of protons but different numbers of neutrons.
9. Chemical Bond: The attractive force between atoms that allows the formation of chemical compounds.
10. Covalent Bond: A type of bond where two atoms share one or more pairs of electrons.
11. Ionic Bond: A type of bond formed through the electrostatic attraction between oppositely charged ions.
12. Polar Molecule: A molecule with a partial positive charge on one end and a partial negative charge on the other, due to an unequal distribution of electrons.
13. Nonpolar Molecule: A molecule that has no distinct poles and an even distribution of charge.
14. Solvent: A substance that dissolves a solute, resulting in a solution; typically present in greater amount.
15. Solute: The substance that is dissolved in a solvent to form a solution.
16. Solution: A homogeneous mixture composed of two or more substances.
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Which one of the following is a vector quantity?
Anonymous Quiz
20%
Size of a plantation farm
0%
Volume of a normal size bottle
73%
Velocity of a moving car
7%
Amount of fat in one liter of milk
The coefficient of variation (CV) is used to express the relative variation of the standard deviation with respect to the
Anonymous Quiz
65%
Mean
12%
Median
12%
Mode
12%
Range
What is the measure of central tendency that is least affected by outliers ?
Anonymous Quiz
18%
Mean
41%
Median
35%
Mode
6%
Range
The numerical value of a standard deviation can never be __
Anonymous Quiz
56%
Negative
13%
Zero
19%
Larger than the variance
13%
Less than the variance
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Jiyaa takka fi walakkaa hafee hanga kana keessaattii waannii godhu qabdaan jalqaabarraattii
๐๐๐๐ portion kitaabootaa keessaa qoroomuu demtaan Gosa barnootaa hundaa xumuruudhaa qabdaan ji'a takko keessatti
๐๐๐๐itti ansuun torbe Laman
Hafee kessattii ammoo gaaffiilee dalagdaanii xumuruudhaa qabdaan kana hoggaan ja'u Gaaffii hunda hangas kessattii xumurtuu jechuu
Osoo hin taane Yeroon of qooruu yaala Amma fakkeenyaaf ๐ฅmaths ๐ฅ yeroo baay'ee Yeroon kennamuu qormaataaf sa 'aatii sadi isiin immo
Sa'aatii lama keessaattii of qooruu yaala.
Part 1 kana
Fakkataa
Part 2 coming soon.
For next react please
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