An element having various atomic masses is called a (n).

Water is wet. Change my mind

An open box of bandages is on the floor. bandage wrappers are found nearby. What is the chemical treatment?

Which formula represents 2-butene

Is the following true or false? The energy stored in fuels can be used to generate electricity.

How many distinct internal alkynes exist with a molecular formula of c6h10?

Student follow up The ionic equation for the reaction between zinc and sulfuric acid is. Zn (s) + 2H (aq) - - Zn" (aq) + H2 (g) a State what has been oxidised in this reaction. Explain your answer in terms of electrons.

What kind of group 1 atoms are the most reactive? a. Small atoms c. Atoms with the most electrons in the valence level b. Large atoms d. Atoms at the top of the periodic table

What does it mean when there are 2.3 x 10-4 moles?

Electric force is an A. attraction and repulsion between protons and electrons . B. attraction and repulsion between protons and neutrons. C. attraction and repulsion between neutrons and electrons.

A salt crystal has a mass of 0.18 mg. how many nacl formula units does it contain?