List 4 clues that a chemical reaction is occurring

How many molecules are in 2.00 moles of H2O?

Which of the following statements correctly describes how Moseley's research affected the development of the periodic table? Moseley's research led to the reorganization of the elements based on their atomic mass instead of their physical appearance.

How many liters of water would be needed to make a 0.50 M solution from 100.0 g of NaOH? 0.0050 liters 0.20 liters 5.0 liters 50 liters

When drawing the Lewis structure for a molecule, after drawing the skeletal structure and distributing all of the electrons around the the terminal atoms, what actions should be taken if the central atom does not have a complete octet

2 HCI → H2 + Cl2 Endothermic or exothermic

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda