Which of the following would naturally form a cation?

Ne

Li

O

I

How much water. does moss contain

What is the number of protons in this carbon atom?

Which of the following is a value of biodiversity?

What is one source of organic matter in soil?

When you were dropping the water onto the penny, why was the water not spilling off the penny?

A 1.8-mL volume of seawater contains about 4.0 * 10^-10 g of gold. The total volume of ocean water is about 1.5 * 10^21 L. Calculate the total worth of all the gold in the world's oceans if the price of gold is $19.

Why are numbers placed before the elements and molecules in a chemical equation?

Which of these pairs of elements have the same number of valence electrons? oxygen (O) and bromine (Br) selenium (Se) and bromine (Br) carbon (C) and lead (Pb) oxygen (O) and carbon (C) sodium (Na) and magnesium (Mg)

A mixture of helium, neon, and xenon gases is made with the same mass of each gas. Which (if any) gas will have the highest partial pressure? a. They will all have the same partial pressure b. Xe c. He d. Ne

5.0 g of copper was heated from 20 degrees Celsius to 80 degrees Celsius. How much energy was used to heat Cu (specific heat capacity of Cu is 0.092 cal/g degrees Celsius)