For which of the following elements is the number of neutrons correctly represented, based on the atomic number and mass number given?

What is the mass of 4 moles of helium, He?

Both acids and bases do what? a. turn red litmus blue. b. are a component of soaps c. donate protons to solution. d. conduct electricity in water.

The symbol for gold is a. go. b. g. c. au. d. au.

What organelle is primarily used in respiration

Which of the following is not a drawback of using lithium batteries? A. Lithium's reactivity can cause explosions. B. Lithium batteries require the use of toxic materials. C. Lithium is more easily oxidized than any other metal. D.

The specific silver is How many joules of energy are needed to warm 4.37 g of silver from 25.0 degrees * C to 27.5 degrees * C?

Which is the empirical formula for hydrogen peroxide

What is the formula of hydronitric acid

How many moles are present in 34 grams of cu (oh) 2? * ?

A student dissolves 20g of potassium chloride in 100cm³ of water in a beaker. What is the concentration of the solution in g/dm³?