what is the subatomic particle used to define an element

The concentration of a certain sodium hydroxide solution was determined by using the solution to titrate a sample of potassium hydrogen phthalate (KHP). In the titration, 20.46 mL of the NaOH solution was required to react with 0.1082g KHP.

A Is an ecosystem that is covered with water for at least part of the year

Sketch the bonding involved in the molecule ethane, CH3CH3. How many sigma bonds are present? How many pi bonds are present?

During chemistry lab, Maria places sucrose in a glass beaker, adds water, and stirs. As the table sugar disappears, she loudly proclaims that she has chemically broken down the sucrose into fructose and glucose.

How do you figure out molar mass

Which of the following has the greatest first ionization engergy li, be, b or c

If we know that 10.0 cm3 of ice has a mass of 9.19 g what is the density of ice

1. The is the particle in the nucleus of the atom that carries a positive charge and is counted to identify the atomic number. What's the answer

How many grams are there in 5.00 moles of lead Pb?

A large body in space that orbits a star and does not produce light of its own