Question 5 In the modern periodic table, which are the metals among the first ten elements?
Among the first ten elements, lithium (Li) and beryllium (Be) are metals.
In the Modern Periodic Table, which are the metals among the first ten elements?
Out of the first 20 elements in the modern periodic table which are metals?
Which group of elements in the modern periodic table are referred as 'alkaline earth metals'?
Which among the following is not true about modern periodic table (a) group number of an element gives an idea of the numbers of its valence electrons (b) non metals are present towards the right side of the periodic table (c) hydrides of the elements in the first group will have a similar formula (d) oxides of elements in the first period will have a similar formula