True or False

Gravitational and electromagnetic forces are both too weak to be able to overcome the electrostatic force of proton - proton repulsion in the nuclei of atoms.

What structure does a eukaryotic cell have that a prokaryotic cell does not?

Which of the following description of the moons surface is accurate? A) the moons surface is wet and smooth B) the moons surface is dry and irregular C) the moons surface has mountains and oceans D) the moons surface is exactly like earths surface

For elements 1-20, we can use the periodic table to predict. A) An elements color B) The number of valence electrons an element has C) The number of isotopes an element has.

The kilogram is the standard unit of

What is a disproportionation reaction?

What is shielding effect?

If you stand up in a rowboat and take a step towards the dock, you may fall in the water. Explain what happens in this situation. How is it similar to what happens when you take a step on land? How is it different?

3 A2 + B2 >>> 2 units of product 3 AA + BB >>> 2 products 3 volumes + 1 volume >>> 2 volumes product 3 liters + 1 liter >>> 2 liters product 3 moles A2 + 1 mole B2 >>> 2 moles product Click to get the correct formula for the product of the reaction.

The density of a substance with a mass of 48 grams and a volume of 3 ml is what

An atom of beryllium (m = 8.00 u) splits into two atoms of helium (m = 4.00 u) with the release of 92.2 kev of energy. if the original beryllium atom is at rest, find the kinetic energies and speeds of the two helium atoms