Unit 2 Review H Chem

Which experiment led to the determination of the charge of an electron?

What model is this?

What value determines the element that a particular atom is?

What is the charge of an electron?

Who first proposed the concept that matter was made of atoms?

How many neutrons are in ₄₇¹⁰⁶Ag?

An element has a mass number of 68 and has 33 neutrons in the nucleus. What is the element?

Which of the following has six protons and 7 neutrons?

What subatomic particle has a mass of 1 amu and no net charge?

What element has 79 electrons in its atoms?

If an atom has 13 neutrons and 12 protons, what is its mass number?

What is one shortcoming of John Dalton's atomic theory?

What was the result of JJ Thompson's cathode ray experiment?

How many electrons are in ₁₆³⁶S?

What is the mass number of iron-56?

What was the important advancement made by the Bohr model?

What is the mass number of an atom of Selenium with 40 neutrons?

Which element has 35 protons in its nucleus?

How many electrons are in Selenium?

What value tells us the number of protons in a given atom?

What is the atomic mass of silver?

If an element has 36 protons and 42 electrons, what is its atomic number?