What are atomic number

According to newtons third law of motion, when a hammer strikes and exerts a force on a nail, the nail does what

How many grams of CO2could be produced from the combustion of 23g of C4H10in the presence of an adequate amount of O2?

How many protons are In this element, Au which is gold with a mass of 196.97 and a atomic number that is 79

Which of the following reactions is not a replacement reaction? Fe + CuSO4 → FeSO4 + Cu 2Na + 2H2O → 2NaOH + H2 Zn + 2HCl → ZnCl2 + H2 2Na + Cl2 → 2NaCl

2. How many electrons does barium have to give up to achieve a noble-gas electron configuration? 1 2 3 4 ... ?

What is the enthaply of the reaction?

Which color has a higher frequency, A. red light B. blue light

what is the volume of 0.98 mol oxygen (O2) gas at 275 K and a pressure of 2.0 atm? (the universal gas constant is 0.0821 L*atm/mol*K)

Which element is classified as an alkali metal? Rb Sr Zr Cl

Which statements about a neutral atom are correct? Check all that apply. The positively charged particles in the nucleus are positrons. The radius of the electron cloud is twice as large as the radius of the nucleus.