Which of the following are likely to form an ionic bond? 1. Silicon and oxygen 2. Oxygen and oxygen 3. Carbs n and hydrogen 4. Magnesium and oxygen

Which of these is a compound? A) air B) sugar C12H22O11 C) the alloy steel D) nitrogen N

Balance the following Equation: ___Zn + ___HCl - -> ___ZnCl2 + ___H2 50g of zinc are reacted with 50g of hydrogen chloride. What is the limiting reactant? A: ZnCl2 B: Zn C: H2 D: HCl

Reasoning you used to decide if something was made of molecules.

The volume of a gas is 250ml at 340.0 kPa pressure. What will the volume be when the pressure is reduced to 50.0 kPa, assuming the temperature remains constant?

A geologist visits an environment to make observations. The scientist predicts that the environment will undergo secondary succession.

How are real gases different from ideal gases?

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer

Which elements did curies discover

When rubidium metal is exposed to air, two atoms of rubidium, Rb, combine with one atom of oxygen. If 1.98 grams of rubidium is exposed to air, what will be the mass of the product in grams

Fission reactions can get of of control without what taking place?