Un chico listo escribiendo una fórmula en la pizarra de la clase de química. - Foto e imagen de stock

Cute boy looking from behind blank advertising board

Schoolboy writing chemistry formula on glass board against color background. Space for text

Young boy doing chemistry standing at the blackboard writing a formula on the board

Cute little child wearing glasses near chalkboard with chemical formulas

Cute boy looking from behind blank advertising board

Thumbs up boy dressed up as business man with science or chemistry formula on blackboard background

Little school child in laboratory uniform with graduate cap and chemical formulas on grey background

Pretty female student puzzling a chemistry question standing against a blackboard with a drawing of a chemical formula with a thoughtful expression

Two young girls learning chemistry standing in front of a blackboard covered in chemical formulae

Student hands writing structural formula on the blackboard

Closeup male student writing on chalkboard in classroom

Two beautiful students learn about chemistry inside the classroom

Portrait of confident male student with arms crossed standing against chalkboard

Teacher pointing to a molecular formula on the blackboard explaining about the bonds between atoms

Portrait of young strong pupils at the classroom

Laughing little girls having fun in school standing back to back in front of the blackboard looking at the camera with lovely smiles

Happy male student carrying stacked books on head against chalkboard