1. The vertical columns on the periodic table are called groups, how many groups are

there on the periodic table?

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How is water different from most liquids? It expands when it freezes. It contains chemical bonds. It has ionic and covalent bonds. It boils when it is heated.

Why is a skin cell different from a muscle cell

How many grams of CO are needed to react with an excess of Fe2O3 to produce (210.3 g Fe) 209.7 g Fe? Show your work. CO (g) + Fe2O3 (s) - - > Fe (s) + CO2 (g)

Real gases behave as ideal gases only when they are at Select one: a. high temperature and high pressure b. low temperature and high pressure c. high temperature and low pressure d. low temperature and low pressure

What is a particle found in the nucleus with a natural no electrical charge

Calculate how many kilograms are in 4 moles of Na2CO3?

210.0 °C a gas has a volume of 8.00 L. What is the volume of this gas at - 23.0°C?

What is atomic mass, atomic number, isotopes and how are all these terms related to each other?

Choose all of the statements that correctly describe the movement of particles when thermal energy is added or removed. A) The addition of thermal energy to a gas will increase the chance the particles will collide.

Which is a non renewable resource that is used to generate electrical energy