Chemistry, 24.07.2021 08:50 hunterwilliams375
Four atoms and/or ions are sketched below in accordance with their relative atomic and/or ionic radii. Which of the following sets of species are compatible with the sketch?
Explain. (a) C, Ca2+,Cl−,Br−;
(b) Sr4, Cl, Br−,Na+
(d) Al, Ra2+,Zr2+
(c) Y, K,Ca, Na+, Mg2+;
e) Fe, Rb, Co, Cs
Answers: 3
Chemistry, 23.06.2019 11:40
Which of the following observations indicates that an atom has neutrons? some uncharged particles are scattered by a beryllium atom when it hits a gold foil. some uncharged particles bounce back from a gold foil when it is bombarded with alpha particles. a radiation consisting of uncharged particles is emitted when alpha particles strike beryllium atoms. a radiation which attracts electrons is produced when a beryllium atom is bombarded with alpha particles.
Answers: 2
Four atoms and/or ions are sketched below in accordance with their relative atomic and/or ionic radi...
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