Top answers

Chemistry
GCSE

Describe the structure and bonding of sodium chloride

Sodium chloride is a giant ionic lattice consisting of alternating, adjacent positively charged sodium ions and negatively charged chloride ions in a regular arrangement of rows and columns. The ions are ...

OH
Answered by Olivia H. Chemistry tutor
29291 Views

Please write the equation to form the compound Zinc Chloride?

Firstly, you should think of what would react to form Zinc chloride and what Zinc chloride even is.Looking at the periodic table and with knowledge from class, I as a student should know that this is an e...

MJ
6380 Views

Explain the trends in first ionisation energy in the second period in the periodic table.

This question is designed to test a students knowledge of electronic configuration in elements, and their ability to use this knowledge to assign a reasoning to the trend given. The general trend is an i...

FO
Answered by Fergus O. Chemistry tutor
2545 Views

How many atoms are there in 0.75 mol of water? Give answer to 2 decimal places

Number of particles of water = avogadro constant x amount in molTherefore6.02 x1023 x 0.75= 4.515 x1023There are 3 atoms in every molecule of water so we need to multiply the number ...

AR
Answered by Alicia R. Chemistry tutor
3657 Views

Explain why chlorine is more reactive than iodine.

Both Cl and I in Group 7. Both have 7 electrons in its outer shell and require 1 electron to obtain a full shell. Reactivity of these halogens correspond to its ability to gain an electron. Cl can gain an...

MR
43136 Views

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