How many total atoms are there in the following molecule? KClO3

9

5

3

From the formula MgO how do you know that Mg is the metal?

Into what kinds of energy does a toaster convert electrical energy?

What occurs in a chemical reaction? Products are formed from reactants by the breaking and forming of new bonds. Products are formed without chemical bonds being broken. Reactants are formed without chemical bonds being broken.

Sodium an alkali metal and chlorine a halogen are both in period 3? of the periodic table. Which element has a higher ionization energy? Explain

Which law states that the volume and absolute temperature of a fixed quantity of gas are directly proportional under constant pressure conditions? Boyle's law Charles's law Dalton's law Gay-Lussac's law

A bond formed by electrical attraction between two oppositely charged ions is called

Which indicator is blue in a solution that has a pH of 5.6? (1) bromcresol green (3) methyl orange (2) bromthymol blue (4) thymol blue

A hot meal plate at 150 has been placed in air at room temperature. Which event would most likely take place over the next few minutes

What is the molarity of solution that contains 5.80 grams of nickel nitrate, ni (no3) 2 in 500. ml?

Hydrogen has three isotopes with mass numbers of 1, 2, and 3 and has an average atomic mass of 1.00794 amu. This information indicates that 1. equal numbers of each isotope are present 2. more isotopes have an atomic mass of 2 or 3 than of 1 3.