A particle of mass 2 kg falls from height of 20 cm on a concrete floor and comes to rest after striking it. What is the momentum that is transferred to the floor?
akashujawanerocker
Asked:
December 2022
An atom X has two electrons more than its nearest noble gas. What type of ion will it form and represent it. Write the formula of its nitrate, sulphate, phosphate, chloride and bi-carbonate.
akashujawanerocker
Asked:
December 2022
What type of compound is formed between metals and non-metals? Explain the reason with example.
akashujawanerocker
Asked:
December 2022
Compare the followings I) Potassium atom and ion II) Chlorine atom and ion in terms of electronic configuration, reactivity and size