What is the name of the anion in sodium carbonate?

Endeleev saw trends in the physical and chemical properties of elements when he organized them by

How many atoms of oxygen are contained in 160 grams of n2o3

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