Which of the following scientists came up with the first widely recognized atomic theory?

1. Antoine Lavoisier

2. John Dalton

3. Robert Millikan

4. J. J. Thomsom

Coal and Diamond are two different form of carbon. which is denser?

Which of the these is a balanced chemical equation? A) CO (g) + O2 (g) → CO2 (g) B) CO (g) + 2O2 (g) → 2CO2 (g) C) 2CO (g) + O2 (g) → 2CO2 (g) D) 2CO (g) + 2O2 (g) → 2CO2 (g)

Give the formula of c5H12

Daisy's dad has a mass is 70 kg, which is twice Daisy's mass. What is his weight? (Note, be sure to write in the unit. The unit is N)

What purpose does fecl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene?

How much time does it take a person to walk 12 km north at a velocity of 6.5 km/h

What are some ways that groundwater is used in the United States currently?

Atoms which have lost one electron from their outer shell are called what

What is the relationship between pH and H concentration

Select the correct answer. Consider an atom that has an electron in an excited state. The electron falls to a lower energy level. What effect does that have on the electron? ОА ОВ. The electron releases energy in the form of light.