Newlands agrupa a los elementos de 7 en 7, de acuerdo con su peso atómico y sus propiedades semejantes. a esta clasificación las denomino:

What is the percentage of hydrogen in nitrogen trihydride

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars