3) Relacionar las siguientes afirmaciones con los modelos a los que hacen referencia Modelo de Dalton
Modelo de Thomson
Modelo de Bohr
Modelo actual
Modelo de Rutherford
a)Sólo podemos suponer dónde encontraremos a los electrones. •
b)Los electrones se encuentran incrustados en una masa de carga positiva. •
c)En el átomo los electrones giran alrededor de un núcleo. •
d)Los átomos son partículas indivisibles. •
e)Los electrones se mueven formando una “nube”. •

Sarah wants to know where in her garden chamomile would grow the best. she thinks chamomile will grow best in the corner of the garden that gets the most sunlight. to test her hypothesis, she decides to plant several groups of chamomile in her garden as an experiment. which of the following variables will sarah need to measure to know which group of plants grew best? a. the location of the plants b. the type of plants c. the height of the plants d. the amount of water she gives the plants

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?