An element has 13 protons in its nucleus. What is its atomic number?

Are the phosphate groups on the interior or the exterior of the DNA molecule?

True or false The more particles and object has any given temperature the more thermal energy it has

What is furthest from the earth host the most satelilites?

What is a substance? A a uniform mixture that can't be separated B a mixture that can be separated Ca single component that can't be separated D a single component that can be separated

In a post office, a 3-m long ramp is used to move carts onto a dock that is higher than 1 m. Which describes how the IMA of this ramp compares with the IMA of the ramp that has a height of 1 m? It is greater. It depends on friction. It is the same.

Most of the daily radiation that you are exposed to originates from which of the following sources? rocks and soil X-rays nuclear power plants carbon-14

Oceanic crust is - made mostly of granite made mostly of limestone and salt thinner than continental crust thicker than continental crust

Calculate the molarity of a solution prepared by dissolving 1.00 g of ethanol, C2H5OH, in enough water to give a final volume of 101 mL

How the moon surface is visible to an observer on earth

Match the atomic particles with their electrical charges. 1. positive (+) electron 2. negative (-) proton 3. neutral (0) neutron