Element X has an electron configuration that ends with 5p6. Which of the following describes this atom correctly?

a. unstable metal

b. noble gas

c. alkali metal

d. unstable nonmetal

Is a home microwave suitable for organic synthesis?

How many grams of o2 are necessary to react with 212 G of mg 2mg+o2➡2mgo?

3.13 g of sodium (Na) reacts with 7.17 g of chlorine (Cl2) to produce 10.3 g of sodium chloride (NaCl). How many g of chlorine (Cl2) would be required to produce 3.01 g of NaCl? A. 2.10 g of Cl2 B. 0.91 g of Cl2 C. 2.18 g of Cl2 D. 0.40 g of Cl2

Every time matter changes from a liquid to a gas, the matter also experiences a change in the

Objects in free-fall ___. (A) Do not experience air resistance (B) Do not experience gravity (C) Are accelerating faster than 9.8 m/s/s (D) Are completely weightless

Which of these groups of metal would have the most similar properties?. a. Ag, Au, Cu, Zn. b. Cr, Fe, Co, Ni. c. Al, Si, P, S. d. Mg, Ca, Sr, Ba

Organs combine to form ... A cells B tissues C organ systems D organisms

What are real world examples of chemical changes?

Addition of a catalyst can speed up a reaction by providing an alternate reaction pathway that has a

Select the answers below that represent the ionic compounds in this list: na2so4 h2so4 ch3-ch3 n2o4 cacl2 ca3 (po4) 2