Jill and Susan violated safety procedures by not properly listening and/or reading over the instructions to know all the materials, steps, and equipment they need for the lab. Hope this helps!
Answer: Lexington and Concord
Explanation: The British were trying to find weapons and could not find them.
Answer:
6
Explanation:
number of protons equal number of electrons for the atom to be stable
Explanation:
the physical and chemical properties of an element are periodic functions of their atomic number.