Radioactivity

Radioactivity

Multiple Choice

What element is represented in this Bohr Model?

• Boron
• Carbon
• Nitrogen
• Lithium

Multiple Choice

Who's model does this represent?

• Dalton 1903-1808

• Rutherford 1911

• Thomson 1897

• Bohr 1913

Multiple Choice

He found that electrons have specific amounts of energy and move in specific orbits around the nucleus, like planets orbiting the sun. 

• J.J. Thomson
• Ernest Rutherford
• Niels Bohr
• James Chadwick

Multiple Choice

Which subatomic particle has a negative charge in the atom?

• proton
• neutron
• electron
• quark

Multiple Choice

Which of the following elements has 18 electrons?

• Flourine
• Helium
• Argon
• Chlorine

Multiple Choice

How many electrons does an atom with 8 protons have?

• 8
• 16
• 15.99
• 24

Multiple Choice

What is the location of the electron?

• the free floating negatively charged electron cloud
• the free floating positively charged electron cloud
• the very dense positively charged electron orbital
• the positively charged very dense nucleus

Multiple Choice

There are two types of quarks:

up quarks and down quarks

• true

• false

Multiple Choice

Which one of the following parts of the atom is the smallest?

• atom

• neutron

• quark

Multiple Choice

What is the neutral particle found in the nucleus called?

• proton

• neutron

• electron

• quark

Multiple Choice

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Multiple Choice

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Atomic number

Number of protons in an element

Multiple Choice

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Multiple Choice

What is the atomic number of this nucleus?

• 1
• 3
• 4
• 7

Multiple Choice

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Multiple Select

Three types of nuclear decay:

• alpha

• beta

• gamma

• pi

Multiple Choice

A helium nucleus with two protons and two neutrons is called a(n) ____.  

• alpha particle
• electroscope
• beta particle
• gamma ray

Multiple Choice

Describe the structure of an alpha particle.

• a fast-moving electron

• 2 protons and 2 neutrons

• a slow-moving neutron

• a hydrogen nucleus

Multiple Choice

Negatively charged particles emitted from a nucleus at a high speed are ____.  

• alpha particle
• gamma rays
• beta particles
• X rays

Multiple Choice

What is emitted during Beta Radiation?

• A high-energy Electron.
• Protons.
• Neutrons.
• Nuclei

Multiple Choice

Gamma decay releases gamma energy

• true

• false

Multiple Choice

What is an isotope? 

• A charged atom
• An atom with different amounts of neutrons
• An atom with different amounts of protons
• A neutral atom

Multiple Choice

What is the mass number of the element shown?

• 15

• 7

• 8

• 0

Multiple Choice

Isotopes are atoms of the same element that have the same number of __________ but different number of __________ . Therefore, isotopes of the same element have different masses. 

• protons, neutrons
• protons, electrons
• neutrons, protons
• electrons, protons

Multiple Choice

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

Multiple Choice

What is an ion?

• A Charged Atom
• A Large Atom
• A Small Atom
• A Cute Atom

Multiple Choice

What is an anion?

• A negatively charged particle

• An atom with no charge

• A positively charged ion

• A stable atom found on the periodic table

Multiple Choice

What is a cation?

• A negatively charged ion

• An atom with no charge

• A positively charged ion

• A stable atom on the periodic table