Question

class 5 student aapka math book ka photo bhejye​

Answer 1

Hydrogen is the simplest element. Each atom of hydrogen has only one proton. Hydrogen is also the most abundant element in the universe. ... Hydrogen is the lightest element. Hydrogen is a gas at normal temperature and pressure, but hydrogen condenses to a liquid at minus 423 degrees Fahrenheit (minus 253 degrees Celsius).

$\: sorry \: i \: m \: not \: in \: 5th \: class$