4.88x10^20 H2O2 molecules
Answer: oxygen
There is the s,p,d and f blocks, from groups 1-2 that is the s block, 13-18 that’s the p block, 3-12 is the d block and the f would be lanthanide(#57-71) and actinide (#89-103).
Answer:
salt is dull and brittle and conducts electricity when it has been dissolved into water, which it does quite easily.
Explanation:
transparent and colourless in crystalline form- rather like ice.
And this is y I should of paid attention in that one science class in middle school that taught this...
(￣▽￣;)
Answer:
because he would've not known properly about it!
