Is B2O3 molecular or ionic

An atom of silicon has a mass number of 28 and an atomic number of 14 how many electrons does this atom have

Consider a random mixture containing particles of na2so4 and k2so4. there are 11.53 g of na2so4 (density 2.639 g/ml) and 88.47 g of k2so4 (density 2.467 g/ml) in the mixture. all particles in the mixture have a uniform spherical radius of 0.075 mm.

An atom has a mass number of 25 and 13 neutrons. what is the atomic number of this atom? express your answer as an integer.

Determine how many electrons can be contained in the 5F sublevel.

Explain different between subscripts and coefficients

Wha characteristic of metallic bonds allow metals to be malleable and ductile

What stores water, waste, and nutrients for the cell? A Plasma Membrane B Vacuole C Golgi Body D Nucleus

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