Module 3/23 Review Game

Who discovered the electron?

The combining of Atoms is called what?

If Mass number is 40 and Atomic Number is 23, how many neutrons are there?

The Mass Number tells you what?

Carbon-12 and Nitrogen-14 are isotopes

How many protons does Bromine have?

This subatomic particle has almost no mass

Scientists can use scanning-tunneling microscopes to view atoms

Magnesium-12 is a perfectly acceptable way to represent that element.

The half-life of a radioactive sample is 5 minutes. Of 100g, how much is left after 20 minutes?

Who discovered protons?

Who proposed the idea of the atom and was not believed?

If an atom has 12 protons and 12 neutrons, how many electrons does it have?

Electrons are negative and orbiting the nucleus

What particle did Rutherford use?

Isotopes are atoms of the same element with different numbers of what?

Carbon is 44% Carbon-13 and 56% Carbon-12. What is the average atomic mass?

The Cathode Ray Tube Experiment was used to discover which subatomic particle?

An Atom has 22 protons and 25 neutrons. What element is it?

See Board - what is that called?

See the Board. Which of these needs an Alpha particle to complete the equation?

How many electrons does Cesium have?

Rutherford's Gold Foil Experiment discovered the nucleus, which is very small and positive

Who did the Oil Drop Experiment?

An isotope of Hydrogen has 2 neutrons. What is the mass number?

Dalton's Atomic Theory states that matter cannot be created or destroyed.

Which scientist proposed the Solid Sphere model?