Write the scientific notation in numerals. 1.2 x 104

What is the half-life of a 0.5 g sample of radioisotope that decayed to 0.125 g in 9.6 min?

What is the reaction of this chemical formula? CaSO4 (aq) + HCl (aq) - - >?

On the periodic table, where do you find the most metallic elements?

what is the term for the spatial region about the nucleus of an atom where there is a high probability of finding an electron with a given energy?

According to the reaction below, what mass of oxygen gas is required to produce 22 g of carbon dioxide? C (s) + O2 (g) - -> CO2 (g) A.) 16 g B.) 4.0 g C.) 8.0 g D.) 32 g E.) 12 g

Salinity is a measure of which of the following in water? a. carbon dioxide b. oxygen c. dissolved salts d. sand

Why is neon in the same group of the periodic table as helium?

Which of the following presidential candidates was nominated by self-announcement? a. Al Gore b. Woodrow Wilson c. Gerald Ford d. Ross Perot

Particles inside an atom they have a positive charge

Which gas occupies the highest volume at STP?0.02 mol of O20.1 mol of Cl21 mol of N22 mol of H2