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Choose a category. You will be given the answer. You must give the correct question. Click to begin.

Click here for Final Jeopardy

Atomic Theory Parts of the Atom Vocabulary & Symbols Forces in atoms Math 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points Ions & Isotopes

Who introduced the idea of electron clouds

Who were Schrodinger and Heisenberg?

This person first introduced the word atom.

Who was Democritus?

This scientist said electrons traveled on set predictable paths called energy levels

Who was Niels Bohr?

The part of the atom JJ Thomson discovered.

What is the negatively charged, electron?

This scientist said the atom was mostly empty space, with a highly dense positively charged particle he called a nucleus.

Who was Ernest Rutherford?

The smallest part of the atom, it is found outside the nucleus and has a negative charge

What is the electron?

The largest part of an atom, it has no charge and is found in the nucleus

What is a neutron?

The positively charged part of the atom found in the nucleus.

What is the proton?

This shows the number of protons in an atom and determines the identity of an atom

What is the atomic number?

This is equal to the number of protons and neutrons in an atom.

What is mass number?

Atoms of the same element with different # of neutrons and hence mass numbers.

What is an isotope?

If an atom loses an electron it becomes this.

What is a positive ion (cation)?

If an atom gains an electron it becomes this.

What is a negative ion (anion)?

In an atom, not an ion, the # of electrons equals this

What is the # of protons?

Sulfur-32 and Sulfur-35 have different number of ?

What are neutrons?

The symbol for an isotope of carbon with a mass # of 14.

What is C-14?

The symbol for a sodium ion with a charge of +1?

What is Na +1 ?

The region where electrons are likely to be found

What is the electron cloud?

The symbol for a neutral gold atom.

What is Au?

The average mass of all naturally occurring isotopes of an element

What is atomic mass?

The number of forces in an atom?

What are 4?

This force causes particles with opposite charges to be attracted to each other

What is the electromagnetic force?

This force in the nucleus is due to the bosons and contributes to radioactivity

What is the weak force?

This force is an attraction between any two objects with mass

What is the gravitational force?

This force holds the nucleus together because the particles are close together

What is the strong force?

19.82 m = ____ hm

What is hm?

72.53 daL = __ mL

What is mL?

The density of an object with a volume of 60 cm 3 and a mass of 15 g.

What is 0.25 g/cm 3 ?

The volume of a square box with 6 cm sides.

What is 216 cm 3 ?

The formula for density.

Make your wager

Find the number of protons, neutrons and electrons in an atom with atomic # 17 and mass # 36

Protons = 17 Neutrons = 19 Electrons = 17