Element R reacts with chlorine to form a coloured ionic compound with the formula $RC{l_3}$.
$RC{l_3}$ acts as a catalyst in some reactions.
Which statement about element R is correct?
1 )
It conducts electricity only when molten.
It is a transition element.
3 )
It has a low melting point.
4 )
It has a low density.
تحلیل ویدئویی تست
منتظریم اولین نفر تحلیلش کنه!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...