When metals combine with nonmetals, the metallic atoms tend to 1. lose electrons and become positive ions 2. lose electrons and become negative ions 3. gain electrons and become positive ions 4. gain electrons and become negative ions?

What is in group 6 period 2 in the periodic table

4. This is the idea that energy can be transformed from one form to another, but it cannot be created or destroved

The density of a liquid can be determined by weighing a known volume of the liquid in a graduated cylinder. The data from the experiment is as follows: weight of cylinder 10.8 grams; weight of cylinder and liquid 12 grams; reading from cylinder 7.

44. What is the vapor pressure of water at 105°C? (1) 100 kPa (2) 101.3 kPa (3) 110 kPa (4) 120 kPa

Write the balanced equation, then outline the steps necessary determine the information equation in each of the following: (a) the number of moles than the mass of the chlorine Cl2 required to react with 10.

The spines and thick wavy cuticle on a cactus are both what

What type of chemical process is used to create perfume?

Which of the following is a polyatomic ion? O A. HCI O B. Na O C. PO, O D. 52

What are the cations and anions for V2 (CO3) 3

If you were asked to convert 4.2 x 1022 atoms of aluminum to moles, which of the following should you use for the conversion?