Question
Which of the following is true regarding the periodic
table?Solution
There are various trends in a periodic table which are followed except some exceptions here ans there. Some of the important trends being The size increases as we move down the group The size decreases as we move across the table The electronegativity decreases as we move down the table The electronegativity increases as we move across the table Hence, option D is correct.Â
If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this?
A man inside an artificial satellite feels weightlessness because the force of attraction due to earth is –
Which of the following is not an abiotic component of our surrounding?
Which of the following element is found in maximum percentage in the human body?
The force which opposes the relative motion between different layers of liquid or gases is called –
Kindly Study the following questions carefully and choose the right answer.
Human saliva contains an enzyme called salivary amylase that breaks...
In Bernoulli's principle, increase in fluid velocity leads to:
Which part of the plant is responsible for photosynthesis?
A body is thrown vertically upwards and then falls back on the ground. Its potential energy is maximum:
What is the reason for twinkling of stars?
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