Chemistry
Atom Y has 2 electrons in its N shell, Atom X has 7 electrons in its M shell and atom Z has 6 protons in its neutral state.
Answer the following questions:
(a) Which atom is likely to form a cation ?
(b) What is the formula of the compound formed between X and Z?
(c) Draw the electron dot diagram of the compound of X and Y ?
(d) State 2 properties of the compound formed between X and Z
Related Questions
—C—H group is the functional group of:
- 2-butylene
- Pentanal
- Acetic acid
- Ethyl alcohol
(a) Give a difference between ionization and electrolytic dissociation.
(b) 112 mL of a gaseous fluoride of a non-metal Phosphorus at S.T.P. has a mass of 0.63 g. Calculate the relative molecular mass of the fluoride.
(c) If this compound given in (b) has only one atom of Phosphorus, then determine its formula. (At. Wt. P=31, F=19)
From the list of substances, choose one substance in each case which matches the descriptions given below:
(ethene, ammonia, acetylene, ammonium chloride, nitric oxide, copper nitrate, water, sodium nitrate)
(a) A compound with two lone pairs.
(b) A nitrate which does not produce a brown gas on heating.
(c) A covalent compound which produces ions when dissolved in water.
(d) A salt which does not contain a metal ion.
(e) An unsaturated hydrocarbon with a triple bond between carbon atoms.
(a) What do you mean by an acid salt ?
(b) Define the term 'Electronegativity'.
(c) State what do you see when a basic gas is passed over heated copper oxide.
(d) Write a balanced equation for the above reaction in (c).
(e) Draw an electron dot diagram of the negative ion formed when a basic gas is dissolved in water.