If on substance has 9 positive charges and 11 negative charges is it positive or negative

Is exploding dynamite a chemical or physical property?

Consider a piece of gold jewelry that weighs 9.75 g and has a volume of 0.690 cm^3. The jewelry contains only gold and silver, which have densities of 19.3 g/cm^3 and 10.5 g/cm3, respectively.

Explain the changes in potential energy as a chemical bond forms

Within each group of four atoms or ions presented below. select the species that are isoelectronic with each other:Note: you are not comparing the two columns, only selecting which within each column are isoelectronic with each other-not across the

In a thermonuclear device, the pressure of 0.050 liters (V1) of gas within the bomb casing reaches a pressure of 4.0 x 106 atm (P1).

What determines whether matter is a solid, liquid, or gas?

Look at the following chemical formula. How many total elements and total atoms are present in the formula? 2NaHCO3

In a science experiment showing the splitting of water into Oxygen and hydrogen, two inverted test tubes of water were placed over the site of the reaction.

What happens to the electronegativity as you go from Lithium to Francium? Why?

Which of the following is true for all chemical reactions? The total mass of the reactants increases. The total mass of the reactants equals the total mass of the products.