Unit 3 Test Review

JJ Thomson is responsible for discovering which subatomic particle?

Why are atomic masses not whole numbers?

Where are neutrons located in the atom?

BONUS: What are FAMU's colors?

T or F. The number at the bottom of the periodic element box is the mass number.

How many electrons are in Md-234?

Review: How many significant digits is in the following number: 6,000,002

How many neutrons are in Sodium-26

Bohr's model is also referred to as the __________ model.

How many protons are in Helium-4

Review: Convert 125.40 C to Kelvin

What is the mass of an electron?

Name the element with 25protons

BONUS: What year was FAMU founded?

What is the charge of an electron?

Isotopes have different numbers of ____________

What does the mass number tell us?

The mass number and the average atomic mass are the same thing

T or F? Atoms are indivisible

What is the charge of a neutron?

Isotopes are elements with the _____________________.

How many protons are in Sodium-36?

Who is John Dalton?

What is the charge of a proton?

Review: What is the chemical symbol for Helium?

Review: What is the chemical symbol for Magnesium

What is the mass of a proton?

T or F. John Dalton agreed with Democritus' idea of the Atomic Theory.