Need !
select the choice that best completes the following sentence.
simple machi...
Chemistry, 04.02.2020 06:06 carlshiabrown
Need !
select the choice that best completes the following sentence.
simple machines
a.
are tools that make work easier.
b.
reduce the amount of energy needed to do work.
c.
are made up of multiple moving parts.
d.
cannot be combined to make compound machines.
Answers: 2
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An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?
Answers: 2
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