The smallest unit of an element that can exist either alone or in combination with other such particles of the same or different elements is the А.
electron
B
proton
neutron
D
atom

How are elements arranged in a periodic table

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

C3h8o3 - glycerol major species present when dissolved in water