Answer:KNITYGIOUH9E4IUGHO87EVIOJH8OUKJIOUAGJKBI37GIVNIOUUIHIUBILUYPO34N9;HD9POIJT9IIJW8OJIYBIUYFGBHWQIIUYFG7I234IIIBFIUKFIOGAIFIHWEFBUISYTBOOB EVHEWGKFWIUYKTYIU
Answer: Only the single-celled organisms of the domains Bacteria
Explanation: Only the single-celled organisms of the domains Bacteria and Archaea are classified as prokaryotes—pro means before and kary means nucleus. Animals, plants, fungi, and protists are all eukaryotes—eu means true—and are made up of eukaryotic cells.
Answer:
The chemical element which would be the most reactive with other elements is: D. helium, #2.
A chemical property is a property of a chemical substance that is observable and measurable in the course of a chemical reaction. The chemical properties of a chemical substance include the following:
- Tarnishing.
- Heat of combustion.
- Flammability.
- Acidity.
- Chemical reactivity.
Chemical reactivity is a property that determines how readily a chemical element would bond with other chemical elements to form a new compound.
Basically, the ability of a chemical element to bond with other chemical elements is highly dependent on the number of valence electrons.
The chemical elements Neon and Argon are noble elements, and as such have a filled outermost shell and wouldn't react with other chemical elements.
Helium has a single valence electron in its outermost shell while Boron has three (3) valence electrons in its outermost shell.
In conclusion, Helium with an atomic number of two (2) would be the most reactive with other elements.
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Answer:
A
Explanation:
The two strongest bonds are ionic and covalent, but generally, ionic is viewed as the stronger bond because of the ion-ion force that occurs within the bond. It does depend on other factors though.
<u>Answer:</u>
<em>Warm water </em><u><em>is less dense than cold water and has lower salinity than cold water.
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<u>Explanation:</u>
When the <em>temperature of water increases</em> the freedom movement of molecules increases and they expand. Hence the space between the molecules increases thereby causing the liquid to occupy more volume. Density is <em>the ratio of mass and volume</em> which means an increase in volume will decrease the density of a liquid.
Thus an increase in temperature has a negative impact on density and the density decreases. Salinity tends to increase with density. Thus temperature has a negative impact on salinity as well. When <em>temperature increases salinity decreases.
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