What is the atomic number for neon?

Which chemical equation describes the balanced reaction between magnesium and hydrochloric acid to form magnesium chloride and hydrogen gas?. A. Mg + 2H2SO4 → MgSO4 + 2H2. B. Mg + 2HCl → MgCl2 + H2. C. Mn + HCl → MnCl2 + H2. D. Mg + H20 → MgO2 + H2.

Why are teeth not minerals?

For the reaction 3h2 (g) + n2 (g) 2nh3 (g), kc = 9.0 at 350°c. calculate g° at 350°c.

Why are covalently bonded materials generally less dense than metallically or ionically bonded ones

Which part of the crust is the thickest

How many molecules are there in 0.035 moles of CO2? O A) 1.5 molecules O B) 1.8 x 1018 molecules O C) 5.8 x 10-26 molecules OD) 2.1 x 1022 molecules

Write the full ground-state electron configuration for each: (a) Br (b) Mg (c) Se

71.89 g CO2 = _g C6H12O6

The cyanide ion (CN-1) is highly toxic, but can be remediated in solution by redox reaction with the hypochlorite ion (the principal component of bleach).

26.8 moles of argon contain how many atoms? OA) 2.24 x 1022 atoms O B) 1.61 x 1023 atoms O C) 2.24 x 1024 atoms OD) 1.61 x 1025 atoms