What is a covalent compound? physical science?

Name three gaseous elements that will not burn?

Which statements describe molecules? Check all that apply. Molecules are made of two or more atoms. A Molecules are all the same size B Molecules range in size. C Molecules are only made of atoms of the same element.

Mass and weight are related by?

A 90.00 mL solution of NaCl and ethyl alcohol has 7.83 g of salt dissolved in the alcohol. Calculate the molar concentration of the solution. Remember to use significant digit rules.

What makes a solute soluble in water?

In the Periodic Table, what is the relationship between two elements that are placed side-by-side in a row? A. The element on the left has one more electron. B. The element on the left has one more proton. C.

What are two traits of pseudoscience

What will happen if an electric current is flowing through a cord and a magnet is brought near the cord?

Lithium has two isotopes. Li-6 and Li-7. Li-6 mass = 6.015121amu Li-7 mass = 7.016003amu Lithium Mass = 6.94049amu What is percent abundance of Li-6? I know that there is an equation: 6.

Why does an apple fall toward the earth, instead of the earth moving toward the apple?