ES Ch 5: Periodic Table Atoms!

If the atomic mass of carbon is 12 u, 1 mole of pure carbon will have a mass of 

An element's isotopes of an element have different

Which has not been used as an atomic model of the atom?

Avogadro's number is useful for

Thomson is responsible for discovering that an atom contains

Atoms have no electric charge because they

Avogadro's number is defined as the number of particles in

Marie Curie has been awarded Nobel Prizes in:

The average atomic mass of an element is approximately 133 u.  What is the mass of 3.00 mole

Chlorine has an atomic mass of 35.45 because the percentage of Chlorine-35 and Chlorine-37 are:

Which element is in group 2 of the periodic table?

What is a characteristic of Alkali Metals?

Molar mass is defined as

Which scientist proved the existence of the nucleus through the gold foil experiment?

What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?

An electron jumps to a new energy level when

Molar mass is measured in:

Whose model determined that an atom's positive charge is concentrated in the atom's center?

The average atomic mass of potassium is approximately 39 u.  What is the mass of 2.0 mol of K?

An element's atomic number is equal to its number of 

Two different isotopes of an element have different

Which element is the most common in the universe?

A mole is an SI base unit that describes the

A subatomic particle that has a negative charge is called an 

Valence electrons determine an atom's

Which of the statements are not true?

Who discovered radioactivity?

Which of the following is not true?

An atom's mass number equals the number of 

An iron atom has an atomic mass of 56.  Its atomic number is 26.  How many neutrons it have?

The number of energy levels filled in an atom is determined by

The charge of an atom is 

What is an atom's nucleus made of?

What does the group in the periodic table tell us about an element?

Which element is mostly used to allow this blimp to fly in the air?

Dmitri Mendeleev, the father of the periodic table, is from which country?

What is the mass of 2.5 mol of Ca, which has a molar mass of 40 g/mol?

What does the period in the periodic table represent?

Which element does not normally form bonds with other elements?

According to the new model of the atom, electrons behave like

How does the atom changes it releases radioactive energy?

What is N_A? (Jimin)

Complete this statement: Carbon-14 is a different ___________ from Carbon-12.

What is the molar mass of an element with an average atomic mass of 9.012 u?

Which element is most likely to gain an electron?

If the average atomic mass of carbon is 12.01 u, 1 mole of pure carbon will have a mass of 

The range of the strong nuclear force is approximately:

According to Rutherford's model of the atom, electrons behave like

Archaeology can determine the age of an object by studying the carbon-14 because it is...

According to the modern atomic theory, it is nearly impossible to determine an electron's exact

In ______ atomic model, negative electrons orbit the positively charged nucleus.

Thomson made his discovery about the atom during an experiment using

The element "Polonium" is named after:

What noble gas is in an excited state in this picture?

Oxygen's atomic number is 8.  This means that an oxygen atom has

What is the mass in grams of 0.75 mol of sulfur, which has a molar mass of 32 g/mol?

 of the following is not a type of orbital?

A mole is an SI base unit that describes the 

A sodium atom, has 11 electrons, has ____ electrons in its third energy level.

What was Avogadro's first name?

Which of these statements is not part of Dalton's atomic theory?