Which measurement is expressed with four significant figures?

A. 3.876 * 103 kg

B. 5.06 * 10-2 g

C. 23.050 m

D. 0.034 km

To what volume should you dilute 70 mL of a 10.0 MH2SO4 solution to obtain a 1.70 MH2SO4 solution?

Compared with Earth, the Moon has a surface that is geologically less active. For example A. both the Moon and the Earth have continents that move around. B. the Moon has many active volcanoes, while the Earth has none. C.

All the members of a certain family of elements are soft, silver-coloured conductors of electricity that react violently with water and form ions with a 1 + charge. The family name for this group of elements is:

A spectator ion is (Select all that apply.) a. an ionic component of a reactant that is unchanged by the reaction your eye, b. carefully watching the progress of the reaction in this experiment, c.

512,420,000 in scientific notation

Atomic weight of 20 elements

What information would you need in order to convert Molarity to % by volume

How to determine the charge of a polyatomic ion?

What is at mass no of potassium

According to the modern atomic theory, are atoms divisible?