What is 6421 in scientific notation

Zinc has a charge of + 2, and oxygen has a charge of - 2. which is the chemical formula for zinc oxide? zno zn2o ozn ozn2

A fish is swimming at a constant rate towards the ocean floor. The equation y=-7x-3 can be used to represent this situation, where y is the depth of the fish in meters below the sea level and x is the number of seconds the fish has been swimming.

Which solution is a buffer? • 0.100 m hno2 and 0.100 m hcl • 0.100 m hno3 and 0.100 m nano3 • 0.100 m hno2 and 0.100 m nacl • 0.100 m hno2 and 0.100 m nano2?

What information could a student determine from only the chemical formula of a protein

What happens to the charge of a water molecule that gains a hydrogen atom?

Explain why the radius of an atom cannot be measured directly. (6.3)

Which measurement represents the largest volume? question 7 options: 4.6 l 4.6 * 10-3 l 46 cl 460 ml all represent the same volume?

Which statement explains how the bands in the crystal of a metal are like atomic orbitals? They both have localized electrons that orbit specific atoms. They both involve ionization of some atoms so bonding can occur.

In a system for separating gases a tank containing a mixture of hydrogen and carbon dioxide is connected to a much larger tank where the pressure is kept very low.

What formation is favored by the addition of heat.