Physics, 06.11.2020 02:00 victoriazh2005
The periodic table is an arrangment of the chemical elements, ordered by atomic number, into families, and by doing so illustrates
the periodic properties of the elements. If we review the elements found in the second column of the periodic table, the alkali
earth metals, we know one characteristic common to all elements in this family, besides being metals, is that they are
ng
5
A)
solid at room temperature.
B)
not very reactive elements.
found deep in the layers of the mantle.
D)
react readily with other metals to form compounds.
Answers: 3
Physics, 22.06.2019 10:10
In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
Answers: 1
Physics, 22.06.2019 17:00
Using proper grammar, spelling, and punctuation, write at least one 5 sentence paragraph describing 3 ways we use the elements of the electromagnetic spectrum (ems) in our everyday lives.
Answers: 2
Physics, 22.06.2019 22:30
Find v1, the speed of the fluid in the left end of the main pipe. express your answer in terms of h1, h2, g, and either a1 and a2 or γ, which is equal to a1a2.
Answers: 2
The periodic table is an arrangment of the chemical elements, ordered by atomic number, into familie...
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