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Ierofanga [76]
3 years ago
10

HELPPP ME WITH SICENCE PLZZZZZZ

Chemistry
2 answers:
Goryan [66]3 years ago
7 0

Answer:

molecules

Explanation:

molecules because the summer like atoms and Sciences sciency to be honest

Keith_Richards [23]3 years ago
4 0
Molecules hope this helps
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Give an example of a rule of the natural world that a scientist can assume is always true.
vaieri [72.5K]

Answer:

Laws of Nature are to be distinguished both from Scientific Laws and from Natural Laws. On the other account, the Necessitarian Theory, Laws of Nature are the principles which govern the natural phenomena of the world. That is, the natural world “obeys” the Laws of Nature.

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Rank the following elements by electron affinity 1) fluorine 2) selenium 3) arsenic 4) potassum 5) argon
denis23 [38]

Answer:

Fluorine > Selenium > Arsenic > Potassium > Argon

Explanation:

Electron affinity describes the ability or readiness or tendency of an atom to gain an electron.

The higher the value, the higher the tendency. Electron affinity depends on the on the nuclear charge and atomic radius. When nuclear charge is more, electron affinity is high, when atomic radius increases electron affinity reduces.

Noble gases such as Helium, Neon, and Argon would have 0 affinity for electrons because of their stable electronic configuration. From the list, Ar is the least in terms of electron affinity.

Potassium is a metal with large electropositivity which describes the tendency of an atom to lose electrons. Potassium would readily lose electrons instead of gaining.

Between Arsenic and Selenium: Arsenic belongs to group V and Selenium group VI. The two elements both belong to period IV on the periodic table. Across a period, electron affinity increases due to increase in nuclear charge. Therefore, Selenium would have a greater electron affinity compared to Arsenic.

Fluorine has the highest electron affinity of all. It needs just an electron to complete its octet.

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3 years ago
HEllo i need help with reading how do i read
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Try to sound out the words ! :)
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Covalent bonds are in the air you breathe and the water you drink. How are covalent bonds formed?
kramer
Covalent bond is the term that is being used to describe the bonds in the compounds that are created due to the sharing of one or more electrons. One of the best example of the simplest covalent bond is the bond that is being created when two isolated hydrogen atoms come together to form an H2 molecule. An isolated hydrogen atom has one proton and electron being combined by the force of attraction from the opposite-charged articles. When a pair of isolated hydrogen atom combines, two forces of attraction are created coming from each of the isolated hydrogen atom.
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