Chemistry, 19.05.2021 18:40 nxusasmangaliso8780
If element X has an atomic mass of 32 amu, and element Z has an atomic
mass of 118 amu, and element U has an atomic mass of 2 amu, what is the
percent by mass of Z in the following?
ZU3X
Answers: 2
Chemistry, 21.06.2019 23:00, DarcieMATHlin2589
Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom
Answers: 1
Chemistry, 22.06.2019 12:30, azzyla2003
Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17
Answers: 1
Chemistry, 22.06.2019 15:30, neariah24
Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give
Answers: 1
If element X has an atomic mass of 32 amu, and element Z has an atomic
mass of 118 amu, and element...
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Mathematics, 14.11.2020 19:50
Mathematics, 14.11.2020 19:50