If a student is measuring the mass of a glass beaker in chemistry class she would use which unit

valancy of x is 3 while that of y is 1. write a formula of the compounds when each of the seperaty combines with oxygen

According to Dalton's atomic theory: A. An atom cannot be subdivided into smaller particles. B. An atom can be subdivided into smaller particles. C. The nucleus is made up of protons and neutrons. D. Electrons are lighter than protons.

If a mineral has a daughter to parent ratio of 3:1 (three daughter atoms for every one parent atom), how many half lives have passed since the mineral formed

What is the chemical equation for CaCl2 dissolved in water?

A covalent bond is best described as Question 1 options: the sharing of electrons between atoms. the transfer of electrons. a bond between a metal and a nonmetal. a bond between a metal and a polyatomic ion.

What is the first element to have a different number of protons and neutrons in the nucleus?

What do you understand by the term positron?

Generally speaking, which group would have the lowest electronegativity values in a period? Group 1 Group 3 Group 14 Group 17

The combination of water and CO2 molecules in the atmosphere account for approximately 155 W/m^2 in greenhouse heating. 1.

Molecules are made up of small parts called