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Question 1 Aluminium and thallium are elements in Group 3 of the Periodic Table. Both elements form compounds and ions containing chlorine and bromine. Write an equation for the formation…

Question 1 Aluminium and thallium are elements in Group 3 of the Periodic Table. Both elements form compounds and ions containing chlorine and bromine. Write an equation for the formation…

Explain why helium’s first ionisation energy is much higher than hydrogen’s. Explain why lithium has lower ionisation energy than helium even though lithium has 1 proton more. Why does the…

Atomic Structure Question 1 Write the electronic configuration for: C, N3-, Fe2+, Cu, Cu+, I and Pb. Question 2.  Put the following atoms/ions in order of decreasing size. Explain your…

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Atomic Structure Electronic Structure Equilibria Energetics Acids and Bases Rates of Reactions Solutions Electrochemistry

how the teacher introduces scientific terminology hwo the teacher uses scientific terms that students should already know which language and how langugage is sued by the teacher which language is…

1) Dr Spiteri discusses nine dimensions that influence school climate. What are they, and how do these relate to the KIPP schools he mentions earlier? The school climate is the…

The Ionisation Energy is the energy require to remove an electron from a gaseous atom or ion at stp. There can be multiple ionisation energies, such as: First Ionisation Energy:…

The periodic table contains a lot of information. The numbers of the neutrons, electrons and protons can all be found using such information. Proton Number = Atomic number Neutron Number = Mass…