Question

3. Imagine that a new element called 'davidium' had
been isolated. It has a low density, and is a solid
al formulae shown
which is soft and can be easily cut with a knife. It
is extremely reactive with both air and water. It is
a good conductor of heat and electricity and also
has a low melting point.
(a) Which group of the Periodic Table would you
place davidium in? Group
1
(b) How many electrons would it have in the
outermost shell of its atom?
(c) How would you store it?
(d) Given its symbol is Da, what do you think
would be the symbol for its ion?
(e) Write the chemical formulae for its sulphate,
nitrate, carbonate, chloride and hydroxide.
(f) Write a balanced chemical equation for its
reaction with oxygen (air).
(g) Write a balanced chemical equation for its
reaction with water.
(h) Name three other elements which have
properties similar to davidium.​

Answer 1

Answer:

hdbdbkdjdj

Explanation:

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